Home / 40,314.24-60,466.32-21,631.68

Finding the Fourth Proportional to 40,314.24, 60,466.32 and 21,631.68

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Solution

The fourth proportional to 40,314.24, 60,466.32 and 21,631.68 is: 32,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,314.24 : 60,466.32 = 21,631.68 : x
  2. Step 2: Convert to fraction form
    40,314.24/60,466.32 = 21,631.68/x
  3. Step 3: Cross multiply
    40,314.24x = 60,466.32 × 21,631.68
  4. Step 4: Simplify right side
    40,314.24x = 1,307,988,085.02
  5. Step 5: Solve for x
    x = 1,307,988,085.02/40,314.24
  6. Step 6: Final answer
    x = 32,444.82

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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.