Home / 56,151.45-77,485.68-30,652.74

Finding the Fourth Proportional to 56,151.45, 77,485.68 and 30,652.74

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Solution

The fourth proportional to 56,151.45, 77,485.68 and 30,652.74 is: 42,298.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151.45 : 77,485.68 = 30,652.74 : x
  2. Step 2: Convert to fraction form
    56,151.45/77,485.68 = 30,652.74/x
  3. Step 3: Cross multiply
    56,151.45x = 77,485.68 × 30,652.74
  4. Step 4: Simplify right side
    56,151.45x = 2,375,148,402.76
  5. Step 5: Solve for x
    x = 2,375,148,402.76/56,151.45
  6. Step 6: Final answer
    x = 42,298.97

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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.