Home / 36,402.40-54,603.60-13,030.66

Finding the Fourth Proportional to 36,402.40, 54,603.60 and 13,030.66

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Solution

The fourth proportional to 36,402.40, 54,603.60 and 13,030.66 is: 19,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.40 : 54,603.60 = 13,030.66 : x
  2. Step 2: Convert to fraction form
    36,402.40/54,603.60 = 13,030.66/x
  3. Step 3: Cross multiply
    36,402.40x = 54,603.60 × 13,030.66
  4. Step 4: Simplify right side
    36,402.40x = 711,520,946.38
  5. Step 5: Solve for x
    x = 711,520,946.38/36,402.40
  6. Step 6: Final answer
    x = 19,545.99

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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.