Home / 56,974.47-85,460.76-21,921.72

Finding the Fourth Proportional to 56,974.47, 85,460.76 and 21,921.72

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Solution

The fourth proportional to 56,974.47, 85,460.76 and 21,921.72 is: 32,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.47 : 85,460.76 = 21,921.72 : x
  2. Step 2: Convert to fraction form
    56,974.47/85,460.76 = 21,921.72/x
  3. Step 3: Cross multiply
    56,974.47x = 85,460.76 × 21,921.72
  4. Step 4: Simplify right side
    56,974.47x = 1,873,446,851.71
  5. Step 5: Solve for x
    x = 1,873,446,851.71/56,974.47
  6. Step 6: Final answer
    x = 32,882.22

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1.5x scale

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.