Home / 45,670.32-68,397.60-31,577.88

Finding the Fourth Proportional to 45,670.32, 68,397.60 and 31,577.88

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Solution

The fourth proportional to 45,670.32, 68,397.60 and 31,577.88 is: 47,292.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.32 : 68,397.60 = 31,577.88 : x
  2. Step 2: Convert to fraction form
    45,670.32/68,397.60 = 31,577.88/x
  3. Step 3: Cross multiply
    45,670.32x = 68,397.60 × 31,577.88
  4. Step 4: Simplify right side
    45,670.32x = 2,159,851,205.09
  5. Step 5: Solve for x
    x = 2,159,851,205.09/45,670.32
  6. Step 6: Final answer
    x = 47,292.23

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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.