Home / 56,430.36-77,836.80-36,255.48

Finding the Fourth Proportional to 56,430.36, 77,836.80 and 36,255.48

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Solution

The fourth proportional to 56,430.36, 77,836.80 and 36,255.48 is: 50,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.36 : 77,836.80 = 36,255.48 : x
  2. Step 2: Convert to fraction form
    56,430.36/77,836.80 = 36,255.48/x
  3. Step 3: Cross multiply
    56,430.36x = 77,836.80 × 36,255.48
  4. Step 4: Simplify right side
    56,430.36x = 2,822,010,545.66
  5. Step 5: Solve for x
    x = 2,822,010,545.66/56,430.36
  6. Step 6: Final answer
    x = 50,008.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.