Home / 38,397.32-52,987.50-21,401.49

Finding the Fourth Proportional to 38,397.32, 52,987.50 and 21,401.49

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Solution

The fourth proportional to 38,397.32, 52,987.50 and 21,401.49 is: 29,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.32 : 52,987.50 = 21,401.49 : x
  2. Step 2: Convert to fraction form
    38,397.32/52,987.50 = 21,401.49/x
  3. Step 3: Cross multiply
    38,397.32x = 52,987.50 × 21,401.49
  4. Step 4: Simplify right side
    38,397.32x = 1,134,011,650.08
  5. Step 5: Solve for x
    x = 1,134,011,650.08/38,397.32
  6. Step 6: Final answer
    x = 29,533.62

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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.