Home / 56,179.47-77,528.07-31,028.97

Finding the Fourth Proportional to 56,179.47, 77,528.07 and 31,028.97

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Solution

The fourth proportional to 56,179.47, 77,528.07 and 31,028.97 is: 42,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,179.47 : 77,528.07 = 31,028.97 : x
  2. Step 2: Convert to fraction form
    56,179.47/77,528.07 = 31,028.97/x
  3. Step 3: Cross multiply
    56,179.47x = 77,528.07 × 31,028.97
  4. Step 4: Simplify right side
    56,179.47x = 2,405,616,158.19
  5. Step 5: Solve for x
    x = 2,405,616,158.19/56,179.47
  6. Step 6: Final answer
    x = 42,820.20

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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.