Home / 38,318.27-52,878.71-21,551.27

Finding the Fourth Proportional to 38,318.27, 52,878.71 and 21,551.27

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Solution

The fourth proportional to 38,318.27, 52,878.71 and 21,551.27 is: 29,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.27 : 52,878.71 = 21,551.27 : x
  2. Step 2: Convert to fraction form
    38,318.27/52,878.71 = 21,551.27/x
  3. Step 3: Cross multiply
    38,318.27x = 52,878.71 × 21,551.27
  4. Step 4: Simplify right side
    38,318.27x = 1,139,603,248.71
  5. Step 5: Solve for x
    x = 1,139,603,248.71/38,318.27
  6. Step 6: Final answer
    x = 29,740.47

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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.