Home / 56,657.28-84,995.64-17,218.38

Finding the Fourth Proportional to 56,657.28, 84,995.64 and 17,218.38

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Solution

The fourth proportional to 56,657.28, 84,995.64 and 17,218.38 is: 25,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.28 : 84,995.64 = 17,218.38 : x
  2. Step 2: Convert to fraction form
    56,657.28/84,995.64 = 17,218.38/x
  3. Step 3: Cross multiply
    56,657.28x = 84,995.64 × 17,218.38
  4. Step 4: Simplify right side
    56,657.28x = 1,463,487,227.86
  5. Step 5: Solve for x
    x = 1,463,487,227.86/56,657.28
  6. Step 6: Final answer
    x = 25,830.52

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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.