Home / 39,876.19-59,823.55-13,581.16

Finding the Fourth Proportional to 39,876.19, 59,823.55 and 13,581.16

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Solution

The fourth proportional to 39,876.19, 59,823.55 and 13,581.16 is: 20,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,876.19 : 59,823.55 = 13,581.16 : x
  2. Step 2: Convert to fraction form
    39,876.19/59,823.55 = 13,581.16/x
  3. Step 3: Cross multiply
    39,876.19x = 59,823.55 × 13,581.16
  4. Step 4: Simplify right side
    39,876.19x = 812,473,204.32
  5. Step 5: Solve for x
    x = 812,473,204.32/39,876.19
  6. Step 6: Final answer
    x = 20,374.90

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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.