Home / 55,935.08-77,191.86-30,442.88

Finding the Fourth Proportional to 55,935.08, 77,191.86 and 30,442.88

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Solution

The fourth proportional to 55,935.08, 77,191.86 and 30,442.88 is: 42,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,935.08 : 77,191.86 = 30,442.88 : x
  2. Step 2: Convert to fraction form
    55,935.08/77,191.86 = 30,442.88/x
  3. Step 3: Cross multiply
    55,935.08x = 77,191.86 × 30,442.88
  4. Step 4: Simplify right side
    55,935.08x = 2,349,942,530.96
  5. Step 5: Solve for x
    x = 2,349,942,530.96/55,935.08
  6. Step 6: Final answer
    x = 42,011.96

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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.