Home / 54,430.22-81,632.90-14,990.78

Finding the Fourth Proportional to 54,430.22, 81,632.90 and 14,990.78

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Solution

The fourth proportional to 54,430.22, 81,632.90 and 14,990.78 is: 22,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.22 : 81,632.90 = 14,990.78 : x
  2. Step 2: Convert to fraction form
    54,430.22/81,632.90 = 14,990.78/x
  3. Step 3: Cross multiply
    54,430.22x = 81,632.90 × 14,990.78
  4. Step 4: Simplify right side
    54,430.22x = 1,223,740,844.66
  5. Step 5: Solve for x
    x = 1,223,740,844.66/54,430.22
  6. Step 6: Final answer
    x = 22,482.75

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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.