Home / 54,754.40-75,561.05-30,881.02

Finding the Fourth Proportional to 54,754.40, 75,561.05 and 30,881.02

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Solution

The fourth proportional to 54,754.40, 75,561.05 and 30,881.02 is: 42,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.40 : 75,561.05 = 30,881.02 : x
  2. Step 2: Convert to fraction form
    54,754.40/75,561.05 = 30,881.02/x
  3. Step 3: Cross multiply
    54,754.40x = 75,561.05 × 30,881.02
  4. Step 4: Simplify right side
    54,754.40x = 2,333,402,184.57
  5. Step 5: Solve for x
    x = 2,333,402,184.57/54,754.40
  6. Step 6: Final answer
    x = 42,615.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.