Home / 56,207.88-77,565.94-30,713.69

Finding the Fourth Proportional to 56,207.88, 77,565.94 and 30,713.69

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Solution

The fourth proportional to 56,207.88, 77,565.94 and 30,713.69 is: 42,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.88 : 77,565.94 = 30,713.69 : x
  2. Step 2: Convert to fraction form
    56,207.88/77,565.94 = 30,713.69/x
  3. Step 3: Cross multiply
    56,207.88x = 77,565.94 × 30,713.69
  4. Step 4: Simplify right side
    56,207.88x = 2,382,335,771.10
  5. Step 5: Solve for x
    x = 2,382,335,771.10/56,207.88
  6. Step 6: Final answer
    x = 42,384.37

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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.