Home / 53,000.17-73,139.99-30,339.03

Finding the Fourth Proportional to 53,000.17, 73,139.99 and 30,339.03

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Solution

The fourth proportional to 53,000.17, 73,139.99 and 30,339.03 is: 41,867.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.17 : 73,139.99 = 30,339.03 : x
  2. Step 2: Convert to fraction form
    53,000.17/73,139.99 = 30,339.03/x
  3. Step 3: Cross multiply
    53,000.17x = 73,139.99 × 30,339.03
  4. Step 4: Simplify right side
    53,000.17x = 2,218,996,350.81
  5. Step 5: Solve for x
    x = 2,218,996,350.81/53,000.17
  6. Step 6: Final answer
    x = 41,867.72

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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.