Home / 56,891.56-78,504.42-31,397.46

Finding the Fourth Proportional to 56,891.56, 78,504.42 and 31,397.46

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Solution

The fourth proportional to 56,891.56, 78,504.42 and 31,397.46 is: 43,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,891.56 : 78,504.42 = 31,397.46 : x
  2. Step 2: Convert to fraction form
    56,891.56/78,504.42 = 31,397.46/x
  3. Step 3: Cross multiply
    56,891.56x = 78,504.42 × 31,397.46
  4. Step 4: Simplify right side
    56,891.56x = 2,464,839,276.40
  5. Step 5: Solve for x
    x = 2,464,839,276.40/56,891.56
  6. Step 6: Final answer
    x = 43,325.22

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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.