Home / 39,705.92-59,546.25-13,045.76

Finding the Fourth Proportional to 39,705.92, 59,546.25 and 13,045.76

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Solution

The fourth proportional to 39,705.92, 59,546.25 and 13,045.76 is: 19,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.92 : 59,546.25 = 13,045.76 : x
  2. Step 2: Convert to fraction form
    39,705.92/59,546.25 = 13,045.76/x
  3. Step 3: Cross multiply
    39,705.92x = 59,546.25 × 13,045.76
  4. Step 4: Simplify right side
    39,705.92x = 776,826,278.86
  5. Step 5: Solve for x
    x = 776,826,278.86/39,705.92
  6. Step 6: Final answer
    x = 19,564.50

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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.