Home / 56,148.27-77,481.29-30,649.56

Finding the Fourth Proportional to 56,148.27, 77,481.29 and 30,649.56

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Solution

The fourth proportional to 56,148.27, 77,481.29 and 30,649.56 is: 42,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,148.27 : 77,481.29 = 30,649.56 : x
  2. Step 2: Convert to fraction form
    56,148.27/77,481.29 = 30,649.56/x
  3. Step 3: Cross multiply
    56,148.27x = 77,481.29 × 30,649.56
  4. Step 4: Simplify right side
    56,148.27x = 2,374,767,293.48
  5. Step 5: Solve for x
    x = 2,374,767,293.48/56,148.27
  6. Step 6: Final answer
    x = 42,294.58

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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.