Home / 40,412.18-60,632.88-20,700.02

Finding the Fourth Proportional to 40,412.18, 60,632.88 and 20,700.02

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Solution

The fourth proportional to 40,412.18, 60,632.88 and 20,700.02 is: 31,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.18 : 60,632.88 = 20,700.02 : x
  2. Step 2: Convert to fraction form
    40,412.18/60,632.88 = 20,700.02/x
  3. Step 3: Cross multiply
    40,412.18x = 60,632.88 × 20,700.02
  4. Step 4: Simplify right side
    40,412.18x = 1,255,101,828.66
  5. Step 5: Solve for x
    x = 1,255,101,828.66/40,412.18
  6. Step 6: Final answer
    x = 31,057.51

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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.