Home / 56,345.68-77,754.64-30,851.58

Finding the Fourth Proportional to 56,345.68, 77,754.64 and 30,851.58

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Solution

The fourth proportional to 56,345.68, 77,754.64 and 30,851.58 is: 42,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,345.68 : 77,754.64 = 30,851.58 : x
  2. Step 2: Convert to fraction form
    56,345.68/77,754.64 = 30,851.58/x
  3. Step 3: Cross multiply
    56,345.68x = 77,754.64 × 30,851.58
  4. Step 4: Simplify right side
    56,345.68x = 2,398,853,496.33
  5. Step 5: Solve for x
    x = 2,398,853,496.33/56,345.68
  6. Step 6: Final answer
    x = 42,573.87

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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.