Home / 56,260.94-77,613.66-40,131.81

Finding the Fourth Proportional to 56,260.94, 77,613.66 and 40,131.81

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Solution

The fourth proportional to 56,260.94, 77,613.66 and 40,131.81 is: 55,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,260.94 : 77,613.66 = 40,131.81 : x
  2. Step 2: Convert to fraction form
    56,260.94/77,613.66 = 40,131.81/x
  3. Step 3: Cross multiply
    56,260.94x = 77,613.66 × 40,131.81
  4. Step 4: Simplify right side
    56,260.94x = 3,114,776,656.52
  5. Step 5: Solve for x
    x = 3,114,776,656.52/56,260.94
  6. Step 6: Final answer
    x = 55,363.04

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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.