Home / 56,279.08-77,670.66-32,406.76

Finding the Fourth Proportional to 56,279.08, 77,670.66 and 32,406.76

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Solution

The fourth proportional to 56,279.08, 77,670.66 and 32,406.76 is: 44,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279.08 : 77,670.66 = 32,406.76 : x
  2. Step 2: Convert to fraction form
    56,279.08/77,670.66 = 32,406.76/x
  3. Step 3: Cross multiply
    56,279.08x = 77,670.66 × 32,406.76
  4. Step 4: Simplify right side
    56,279.08x = 2,517,054,437.66
  5. Step 5: Solve for x
    x = 2,517,054,437.66/56,279.08
  6. Step 6: Final answer
    x = 44,724.51

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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.