Home / 60,611.31-90,816.69-30,988.38

Finding the Fourth Proportional to 60,611.31, 90,816.69 and 30,988.38

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Solution

The fourth proportional to 60,611.31, 90,816.69 and 30,988.38 is: 46,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,611.31 : 90,816.69 = 30,988.38 : x
  2. Step 2: Convert to fraction form
    60,611.31/90,816.69 = 30,988.38/x
  3. Step 3: Cross multiply
    60,611.31x = 90,816.69 × 30,988.38
  4. Step 4: Simplify right side
    60,611.31x = 2,814,262,100.06
  5. Step 5: Solve for x
    x = 2,814,262,100.06/60,611.31
  6. Step 6: Final answer
    x = 46,431.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.