Home / 42,387.76-58,495.35-26,481.45

Finding the Fourth Proportional to 42,387.76, 58,495.35 and 26,481.45

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Solution

The fourth proportional to 42,387.76, 58,495.35 and 26,481.45 is: 36,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.76 : 58,495.35 = 26,481.45 : x
  2. Step 2: Convert to fraction form
    42,387.76/58,495.35 = 26,481.45/x
  3. Step 3: Cross multiply
    42,387.76x = 58,495.35 × 26,481.45
  4. Step 4: Simplify right side
    42,387.76x = 1,549,041,686.26
  5. Step 5: Solve for x
    x = 1,549,041,686.26/42,387.76
  6. Step 6: Final answer
    x = 36,544.55

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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.