Home / 40,570.29-60,860.57-13,921.47

Finding the Fourth Proportional to 40,570.29, 60,860.57 and 13,921.47

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Solution

The fourth proportional to 40,570.29, 60,860.57 and 13,921.47 is: 20,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,570.29 : 60,860.57 = 13,921.47 : x
  2. Step 2: Convert to fraction form
    40,570.29/60,860.57 = 13,921.47/x
  3. Step 3: Cross multiply
    40,570.29x = 60,860.57 × 13,921.47
  4. Step 4: Simplify right side
    40,570.29x = 847,268,529.83
  5. Step 5: Solve for x
    x = 847,268,529.83/40,570.29
  6. Step 6: Final answer
    x = 20,883.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.