Home / 56,491.86-77,956.14-30,997.59

Finding the Fourth Proportional to 56,491.86, 77,956.14 and 30,997.59

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Solution

The fourth proportional to 56,491.86, 77,956.14 and 30,997.59 is: 42,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.86 : 77,956.14 = 30,997.59 : x
  2. Step 2: Convert to fraction form
    56,491.86/77,956.14 = 30,997.59/x
  3. Step 3: Cross multiply
    56,491.86x = 77,956.14 × 30,997.59
  4. Step 4: Simplify right side
    56,491.86x = 2,416,452,465.70
  5. Step 5: Solve for x
    x = 2,416,452,465.70/56,491.86
  6. Step 6: Final answer
    x = 42,775.23

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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.