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Finding the Fourth Proportional to 36,472.32, 54,722.04 and 15,417.84

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Solution

The fourth proportional to 36,472.32, 54,722.04 and 15,417.84 is: 23,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.32 : 54,722.04 = 15,417.84 : x
  2. Step 2: Convert to fraction form
    36,472.32/54,722.04 = 15,417.84/x
  3. Step 3: Cross multiply
    36,472.32x = 54,722.04 × 15,417.84
  4. Step 4: Simplify right side
    36,472.32x = 843,695,657.19
  5. Step 5: Solve for x
    x = 843,695,657.19/36,472.32
  6. Step 6: Final answer
    x = 23,132.49

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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.