Home / 56,201.77-77,557.54-30,707.59

Finding the Fourth Proportional to 56,201.77, 77,557.54 and 30,707.59

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Solution

The fourth proportional to 56,201.77, 77,557.54 and 30,707.59 is: 42,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.77 : 77,557.54 = 30,707.59 : x
  2. Step 2: Convert to fraction form
    56,201.77/77,557.54 = 30,707.59/x
  3. Step 3: Cross multiply
    56,201.77x = 77,557.54 × 30,707.59
  4. Step 4: Simplify right side
    56,201.77x = 2,381,605,139.73
  5. Step 5: Solve for x
    x = 2,381,605,139.73/56,201.77
  6. Step 6: Final answer
    x = 42,375.98

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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.