Home / 40,655.71-60,991.26-12,574.63

Finding the Fourth Proportional to 40,655.71, 60,991.26 and 12,574.63

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Solution

The fourth proportional to 40,655.71, 60,991.26 and 12,574.63 is: 18,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,655.71 : 60,991.26 = 12,574.63 : x
  2. Step 2: Convert to fraction form
    40,655.71/60,991.26 = 12,574.63/x
  3. Step 3: Cross multiply
    40,655.71x = 60,991.26 × 12,574.63
  4. Step 4: Simplify right side
    40,655.71x = 766,942,527.73
  5. Step 5: Solve for x
    x = 766,942,527.73/40,655.71
  6. Step 6: Final answer
    x = 18,864.33

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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.