Home / 39,787.52-54,881.70-29,569.46

Finding the Fourth Proportional to 39,787.52, 54,881.70 and 29,569.46

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Solution

The fourth proportional to 39,787.52, 54,881.70 and 29,569.46 is: 40,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,787.52 : 54,881.70 = 29,569.46 : x
  2. Step 2: Convert to fraction form
    39,787.52/54,881.70 = 29,569.46/x
  3. Step 3: Cross multiply
    39,787.52x = 54,881.70 × 29,569.46
  4. Step 4: Simplify right side
    39,787.52x = 1,622,822,232.88
  5. Step 5: Solve for x
    x = 1,622,822,232.88/39,787.52
  6. Step 6: Final answer
    x = 40,787.22

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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.