Home / 40,931.72-61,385.70-14,622.20

Finding the Fourth Proportional to 40,931.72, 61,385.70 and 14,622.20

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Solution

The fourth proportional to 40,931.72, 61,385.70 and 14,622.20 is: 21,929.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.72 : 61,385.70 = 14,622.20 : x
  2. Step 2: Convert to fraction form
    40,931.72/61,385.70 = 14,622.20/x
  3. Step 3: Cross multiply
    40,931.72x = 61,385.70 × 14,622.20
  4. Step 4: Simplify right side
    40,931.72x = 897,593,982.54
  5. Step 5: Solve for x
    x = 897,593,982.54/40,931.72
  6. Step 6: Final answer
    x = 21,929.06

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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.