Home / 38,355.42-52,927.11-21,358.38

Finding the Fourth Proportional to 38,355.42, 52,927.11 and 21,358.38

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Solution

The fourth proportional to 38,355.42, 52,927.11 and 21,358.38 is: 29,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.42 : 52,927.11 = 21,358.38 : x
  2. Step 2: Convert to fraction form
    38,355.42/52,927.11 = 21,358.38/x
  3. Step 3: Cross multiply
    38,355.42x = 52,927.11 × 21,358.38
  4. Step 4: Simplify right side
    38,355.42x = 1,130,437,327.68
  5. Step 5: Solve for x
    x = 1,130,437,327.68/38,355.42
  6. Step 6: Final answer
    x = 29,472.69

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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.