Home / 64,808-89,435.04-35,000

Finding the Fourth Proportional to 64,808, 89,435.04 and 35,000

Calculator

Solution

The fourth proportional to 64,808, 89,435.04 and 35,000 is: 48,300

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,808 : 89,435.04 = 35,000 : x
  2. Step 2: Convert to fraction form
    64,808/89,435.04 = 35,000/x
  3. Step 3: Cross multiply
    64,808x = 89,435.04 × 35,000
  4. Step 4: Simplify right side
    64,808x = 3,130,226,400
  5. Step 5: Solve for x
    x = 3,130,226,400/64,808
  6. Step 6: Final answer
    x = 48,300

Related Problems

Find fourth proportional to 32,404, 44,717.52 and 17,500
Half scale
Find fourth proportional to 129,616, 178,870.08 and 70,000
Double scale
Find fourth proportional to 64,809, 89,436.42 and 35,001
Similar ratio
Find fourth proportional to 97,212, 134,152.56 and 52,500
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.