Home / 56,743.32-78,270.30-40,802.52

Finding the Fourth Proportional to 56,743.32, 78,270.30 and 40,802.52

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Solution

The fourth proportional to 56,743.32, 78,270.30 and 40,802.52 is: 56,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,743.32 : 78,270.30 = 40,802.52 : x
  2. Step 2: Convert to fraction form
    56,743.32/78,270.30 = 40,802.52/x
  3. Step 3: Cross multiply
    56,743.32x = 78,270.30 × 40,802.52
  4. Step 4: Simplify right side
    56,743.32x = 3,193,625,481.16
  5. Step 5: Solve for x
    x = 3,193,625,481.16/56,743.32
  6. Step 6: Final answer
    x = 56,281.96

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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.