Home / 38,165.72-52,663.68-21,169.76

Finding the Fourth Proportional to 38,165.72, 52,663.68 and 21,169.76

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Solution

The fourth proportional to 38,165.72, 52,663.68 and 21,169.76 is: 29,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.72 : 52,663.68 = 21,169.76 : x
  2. Step 2: Convert to fraction form
    38,165.72/52,663.68 = 21,169.76/x
  3. Step 3: Cross multiply
    38,165.72x = 52,663.68 × 21,169.76
  4. Step 4: Simplify right side
    38,165.72x = 1,114,877,466.32
  5. Step 5: Solve for x
    x = 1,114,877,466.32/38,165.72
  6. Step 6: Final answer
    x = 29,211.49

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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.