Home / 56,425.15-77,867.49-30,933.91

Finding the Fourth Proportional to 56,425.15, 77,867.49 and 30,933.91

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Solution

The fourth proportional to 56,425.15, 77,867.49 and 30,933.91 is: 42,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.15 : 77,867.49 = 30,933.91 : x
  2. Step 2: Convert to fraction form
    56,425.15/77,867.49 = 30,933.91/x
  3. Step 3: Cross multiply
    56,425.15x = 77,867.49 × 30,933.91
  4. Step 4: Simplify right side
    56,425.15x = 2,408,745,927.59
  5. Step 5: Solve for x
    x = 2,408,745,927.59/56,425.15
  6. Step 6: Final answer
    x = 42,689.23

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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.