Home / 48,345.38-72,516.47-19,881.35

Finding the Fourth Proportional to 48,345.38, 72,516.47 and 19,881.35

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Solution

The fourth proportional to 48,345.38, 72,516.47 and 19,881.35 is: 29,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.38 : 72,516.47 = 19,881.35 : x
  2. Step 2: Convert to fraction form
    48,345.38/72,516.47 = 19,881.35/x
  3. Step 3: Cross multiply
    48,345.38x = 72,516.47 × 19,881.35
  4. Step 4: Simplify right side
    48,345.38x = 1,441,725,298.53
  5. Step 5: Solve for x
    x = 1,441,725,298.53/48,345.38
  6. Step 6: Final answer
    x = 29,821.37

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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.