Home / 54,526.66-81,756.50-21,207.89

Finding the Fourth Proportional to 54,526.66, 81,756.50 and 21,207.89

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Solution

The fourth proportional to 54,526.66, 81,756.50 and 21,207.89 is: 31,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,526.66 : 81,756.50 = 21,207.89 : x
  2. Step 2: Convert to fraction form
    54,526.66/81,756.50 = 21,207.89/x
  3. Step 3: Cross multiply
    54,526.66x = 81,756.50 × 21,207.89
  4. Step 4: Simplify right side
    54,526.66x = 1,733,883,116.20
  5. Step 5: Solve for x
    x = 1,733,883,116.20/54,526.66
  6. Step 6: Final answer
    x = 31,798.82

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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.