Home / 56,238.75-77,609.57-31,088.25

Finding the Fourth Proportional to 56,238.75, 77,609.57 and 31,088.25

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Solution

The fourth proportional to 56,238.75, 77,609.57 and 31,088.25 is: 42,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,238.75 : 77,609.57 = 31,088.25 : x
  2. Step 2: Convert to fraction form
    56,238.75/77,609.57 = 31,088.25/x
  3. Step 3: Cross multiply
    56,238.75x = 77,609.57 × 31,088.25
  4. Step 4: Simplify right side
    56,238.75x = 2,412,745,559.11
  5. Step 5: Solve for x
    x = 2,412,745,559.11/56,238.75
  6. Step 6: Final answer
    x = 42,901.83

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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.