Home / 39,878.61-59,347.19-38,549.81

Finding the Fourth Proportional to 39,878.61, 59,347.19 and 38,549.81

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Solution

The fourth proportional to 39,878.61, 59,347.19 and 38,549.81 is: 57,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.61 : 59,347.19 = 38,549.81 : x
  2. Step 2: Convert to fraction form
    39,878.61/59,347.19 = 38,549.81/x
  3. Step 3: Cross multiply
    39,878.61x = 59,347.19 × 38,549.81
  4. Step 4: Simplify right side
    39,878.61x = 2,287,822,409.05
  5. Step 5: Solve for x
    x = 2,287,822,409.05/39,878.61
  6. Step 6: Final answer
    x = 57,369.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.