Home / 66,892.32-92,314.23-40,029.63

Finding the Fourth Proportional to 66,892.32, 92,314.23 and 40,029.63

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Solution

The fourth proportional to 66,892.32, 92,314.23 and 40,029.63 is: 55,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,892.32 : 92,314.23 = 40,029.63 : x
  2. Step 2: Convert to fraction form
    66,892.32/92,314.23 = 40,029.63/x
  3. Step 3: Cross multiply
    66,892.32x = 92,314.23 × 40,029.63
  4. Step 4: Simplify right side
    66,892.32x = 3,695,304,470.63
  5. Step 5: Solve for x
    x = 3,695,304,470.63/66,892.32
  6. Step 6: Final answer
    x = 55,242.58

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1.5x scale

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.