Home / 39,793.61-59,677.56-13,133.61

Finding the Fourth Proportional to 39,793.61, 59,677.56 and 13,133.61

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Solution

The fourth proportional to 39,793.61, 59,677.56 and 13,133.61 is: 19,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.61 : 59,677.56 = 13,133.61 : x
  2. Step 2: Convert to fraction form
    39,793.61/59,677.56 = 13,133.61/x
  3. Step 3: Cross multiply
    39,793.61x = 59,677.56 × 13,133.61
  4. Step 4: Simplify right side
    39,793.61x = 783,781,798.79
  5. Step 5: Solve for x
    x = 783,781,798.79/39,793.61
  6. Step 6: Final answer
    x = 19,696.17

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1.5x scale

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.