Home / 56,134.79-77,464.84-30,641.66

Finding the Fourth Proportional to 56,134.79, 77,464.84 and 30,641.66

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Solution

The fourth proportional to 56,134.79, 77,464.84 and 30,641.66 is: 42,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.79 : 77,464.84 = 30,641.66 : x
  2. Step 2: Convert to fraction form
    56,134.79/77,464.84 = 30,641.66/x
  3. Step 3: Cross multiply
    56,134.79x = 77,464.84 × 30,641.66
  4. Step 4: Simplify right side
    56,134.79x = 2,373,651,289.23
  5. Step 5: Solve for x
    x = 2,373,651,289.23/56,134.79
  6. Step 6: Final answer
    x = 42,284.85

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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.