Home / 56,561.38-77,990.01-36,115.67

Finding the Fourth Proportional to 56,561.38, 77,990.01 and 36,115.67

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Solution

The fourth proportional to 56,561.38, 77,990.01 and 36,115.67 is: 49,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,561.38 : 77,990.01 = 36,115.67 : x
  2. Step 2: Convert to fraction form
    56,561.38/77,990.01 = 36,115.67/x
  3. Step 3: Cross multiply
    56,561.38x = 77,990.01 × 36,115.67
  4. Step 4: Simplify right side
    56,561.38x = 2,816,661,164.80
  5. Step 5: Solve for x
    x = 2,816,661,164.80/56,561.38
  6. Step 6: Final answer
    x = 49,798.31

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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.