Home / 39,784.95-59,671.35-11,698.38

Finding the Fourth Proportional to 39,784.95, 59,671.35 and 11,698.38

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Solution

The fourth proportional to 39,784.95, 59,671.35 and 11,698.38 is: 17,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.95 : 59,671.35 = 11,698.38 : x
  2. Step 2: Convert to fraction form
    39,784.95/59,671.35 = 11,698.38/x
  3. Step 3: Cross multiply
    39,784.95x = 59,671.35 × 11,698.38
  4. Step 4: Simplify right side
    39,784.95x = 698,058,127.41
  5. Step 5: Solve for x
    x = 698,058,127.41/39,784.95
  6. Step 6: Final answer
    x = 17,545.78

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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.