Home / 37,585.20-56,304.90-20,915.40

Finding the Fourth Proportional to 37,585.20, 56,304.90 and 20,915.40

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Solution

The fourth proportional to 37,585.20, 56,304.90 and 20,915.40 is: 31,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,585.20 : 56,304.90 = 20,915.40 : x
  2. Step 2: Convert to fraction form
    37,585.20/56,304.90 = 20,915.40/x
  3. Step 3: Cross multiply
    37,585.20x = 56,304.90 × 20,915.40
  4. Step 4: Simplify right side
    37,585.20x = 1,177,639,505.46
  5. Step 5: Solve for x
    x = 1,177,639,505.46/37,585.20
  6. Step 6: Final answer
    x = 31,332.53

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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.