Home / 39,006.48-53,787.12-31,444.80

Finding the Fourth Proportional to 39,006.48, 53,787.12 and 31,444.80

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Solution

The fourth proportional to 39,006.48, 53,787.12 and 31,444.80 is: 43,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006.48 : 53,787.12 = 31,444.80 : x
  2. Step 2: Convert to fraction form
    39,006.48/53,787.12 = 31,444.80/x
  3. Step 3: Cross multiply
    39,006.48x = 53,787.12 × 31,444.80
  4. Step 4: Simplify right side
    39,006.48x = 1,691,325,230.98
  5. Step 5: Solve for x
    x = 1,691,325,230.98/39,006.48
  6. Step 6: Final answer
    x = 43,360.11

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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.