Home / 67,129.48-92,639.35-36,915.02

Finding the Fourth Proportional to 67,129.48, 92,639.35 and 36,915.02

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Solution

The fourth proportional to 67,129.48, 92,639.35 and 36,915.02 is: 50,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.48 : 92,639.35 = 36,915.02 : x
  2. Step 2: Convert to fraction form
    67,129.48/92,639.35 = 36,915.02/x
  3. Step 3: Cross multiply
    67,129.48x = 92,639.35 × 36,915.02
  4. Step 4: Simplify right side
    67,129.48x = 3,419,782,920.19
  5. Step 5: Solve for x
    x = 3,419,782,920.19/67,129.48
  6. Step 6: Final answer
    x = 50,943.08

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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.