Home / 38,639.34-57,946.50-12,337.92

Finding the Fourth Proportional to 38,639.34, 57,946.50 and 12,337.92

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Solution

The fourth proportional to 38,639.34, 57,946.50 and 12,337.92 is: 18,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639.34 : 57,946.50 = 12,337.92 : x
  2. Step 2: Convert to fraction form
    38,639.34/57,946.50 = 12,337.92/x
  3. Step 3: Cross multiply
    38,639.34x = 57,946.50 × 12,337.92
  4. Step 4: Simplify right side
    38,639.34x = 714,939,281.28
  5. Step 5: Solve for x
    x = 714,939,281.28/38,639.34
  6. Step 6: Final answer
    x = 18,502.89

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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.