Home / 40,555.87-55,560.62-39,039.71

Finding the Fourth Proportional to 40,555.87, 55,560.62 and 39,039.71

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Solution

The fourth proportional to 40,555.87, 55,560.62 and 39,039.71 is: 53,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.87 : 55,560.62 = 39,039.71 : x
  2. Step 2: Convert to fraction form
    40,555.87/55,560.62 = 39,039.71/x
  3. Step 3: Cross multiply
    40,555.87x = 55,560.62 × 39,039.71
  4. Step 4: Simplify right side
    40,555.87x = 2,169,070,312.02
  5. Step 5: Solve for x
    x = 2,169,070,312.02/40,555.87
  6. Step 6: Final answer
    x = 53,483.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.