Home / 56,440.64-77,891.60-31,290.14

Finding the Fourth Proportional to 56,440.64, 77,891.60 and 31,290.14

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Solution

The fourth proportional to 56,440.64, 77,891.60 and 31,290.14 is: 43,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.64 : 77,891.60 = 31,290.14 : x
  2. Step 2: Convert to fraction form
    56,440.64/77,891.60 = 31,290.14/x
  3. Step 3: Cross multiply
    56,440.64x = 77,891.60 × 31,290.14
  4. Step 4: Simplify right side
    56,440.64x = 2,437,239,107.10
  5. Step 5: Solve for x
    x = 2,437,239,107.10/56,440.64
  6. Step 6: Final answer
    x = 43,182.34

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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.