Home / 55,980.32-77,251.92-30,832.16

Finding the Fourth Proportional to 55,980.32, 77,251.92 and 30,832.16

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Solution

The fourth proportional to 55,980.32, 77,251.92 and 30,832.16 is: 42,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,980.32 : 77,251.92 = 30,832.16 : x
  2. Step 2: Convert to fraction form
    55,980.32/77,251.92 = 30,832.16/x
  3. Step 3: Cross multiply
    55,980.32x = 77,251.92 × 30,832.16
  4. Step 4: Simplify right side
    55,980.32x = 2,381,843,557.75
  5. Step 5: Solve for x
    x = 2,381,843,557.75/55,980.32
  6. Step 6: Final answer
    x = 42,547.87

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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.