Home / 81,569.16-122,354.28-22,411.08

Finding the Fourth Proportional to 81,569.16, 122,354.28 and 22,411.08

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Solution

The fourth proportional to 81,569.16, 122,354.28 and 22,411.08 is: 33,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,569.16 : 122,354.28 = 22,411.08 : x
  2. Step 2: Convert to fraction form
    81,569.16/122,354.28 = 22,411.08/x
  3. Step 3: Cross multiply
    81,569.16x = 122,354.28 × 22,411.08
  4. Step 4: Simplify right side
    81,569.16x = 2,742,091,557.42
  5. Step 5: Solve for x
    x = 2,742,091,557.42/81,569.16
  6. Step 6: Final answer
    x = 33,616.77

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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.