Home / 53,128.38-73,317.17-29,254.99

Finding the Fourth Proportional to 53,128.38, 73,317.17 and 29,254.99

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Solution

The fourth proportional to 53,128.38, 73,317.17 and 29,254.99 is: 40,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.38 : 73,317.17 = 29,254.99 : x
  2. Step 2: Convert to fraction form
    53,128.38/73,317.17 = 29,254.99/x
  3. Step 3: Cross multiply
    53,128.38x = 73,317.17 × 29,254.99
  4. Step 4: Simplify right side
    53,128.38x = 2,144,893,075.18
  5. Step 5: Solve for x
    x = 2,144,893,075.18/53,128.38
  6. Step 6: Final answer
    x = 40,371.89

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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.