Home / 53,128.84-73,317-29,254.72

Finding the Fourth Proportional to 53,128.84, 73,317 and 29,254.72

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Solution

The fourth proportional to 53,128.84, 73,317 and 29,254.72 is: 40,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128.84 : 73,317 = 29,254.72 : x
  2. Step 2: Convert to fraction form
    53,128.84/73,317 = 29,254.72/x
  3. Step 3: Cross multiply
    53,128.84x = 73,317 × 29,254.72
  4. Step 4: Simplify right side
    53,128.84x = 2,144,868,306.24
  5. Step 5: Solve for x
    x = 2,144,868,306.24/53,128.84
  6. Step 6: Final answer
    x = 40,371.07

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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.