Home / 56,003.11-77,282.85-30,508.77

Finding the Fourth Proportional to 56,003.11, 77,282.85 and 30,508.77

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Solution

The fourth proportional to 56,003.11, 77,282.85 and 30,508.77 is: 42,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,003.11 : 77,282.85 = 30,508.77 : x
  2. Step 2: Convert to fraction form
    56,003.11/77,282.85 = 30,508.77/x
  3. Step 3: Cross multiply
    56,003.11x = 77,282.85 × 30,508.77
  4. Step 4: Simplify right side
    56,003.11x = 2,357,804,309.18
  5. Step 5: Solve for x
    x = 2,357,804,309.18/56,003.11
  6. Step 6: Final answer
    x = 42,101.31

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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.