Home / 56,039.85-77,332.66-30,545.65

Finding the Fourth Proportional to 56,039.85, 77,332.66 and 30,545.65

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Solution

The fourth proportional to 56,039.85, 77,332.66 and 30,545.65 is: 42,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,039.85 : 77,332.66 = 30,545.65 : x
  2. Step 2: Convert to fraction form
    56,039.85/77,332.66 = 30,545.65/x
  3. Step 3: Cross multiply
    56,039.85x = 77,332.66 × 30,545.65
  4. Step 4: Simplify right side
    56,039.85x = 2,362,176,552.48
  5. Step 5: Solve for x
    x = 2,362,176,552.48/56,039.85
  6. Step 6: Final answer
    x = 42,151.73

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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.