Home / 53,216.68-73,442.32-29,343.28

Finding the Fourth Proportional to 53,216.68, 73,442.32 and 29,343.28

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Solution

The fourth proportional to 53,216.68, 73,442.32 and 29,343.28 is: 40,495.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.68 : 73,442.32 = 29,343.28 : x
  2. Step 2: Convert to fraction form
    53,216.68/73,442.32 = 29,343.28/x
  3. Step 3: Cross multiply
    53,216.68x = 73,442.32 × 29,343.28
  4. Step 4: Simplify right side
    53,216.68x = 2,155,038,559.61
  5. Step 5: Solve for x
    x = 2,155,038,559.61/53,216.68
  6. Step 6: Final answer
    x = 40,495.55

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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.