Home / 61,635-85,056.30-35,139

Finding the Fourth Proportional to 61,635, 85,056.30 and 35,139

Calculator

Solution

The fourth proportional to 61,635, 85,056.30 and 35,139 is: 48,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,635 : 85,056.30 = 35,139 : x
  2. Step 2: Convert to fraction form
    61,635/85,056.30 = 35,139/x
  3. Step 3: Cross multiply
    61,635x = 85,056.30 × 35,139
  4. Step 4: Simplify right side
    61,635x = 2,988,793,325.70
  5. Step 5: Solve for x
    x = 2,988,793,325.70/61,635
  6. Step 6: Final answer
    x = 48,491.82

Related Problems

Find fourth proportional to 30,817.50, 42,528.15 and 17,569.50
Half scale
Find fourth proportional to 123,270, 170,112.60 and 70,278
Double scale
Find fourth proportional to 61,636, 85,057.68 and 35,140
Similar ratio
Find fourth proportional to 92,452.50, 127,584.45 and 52,708.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.