Home / 53,013.07-73,158.20-29,142.19

Finding the Fourth Proportional to 53,013.07, 73,158.20 and 29,142.19

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Solution

The fourth proportional to 53,013.07, 73,158.20 and 29,142.19 is: 40,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,013.07 : 73,158.20 = 29,142.19 : x
  2. Step 2: Convert to fraction form
    53,013.07/73,158.20 = 29,142.19/x
  3. Step 3: Cross multiply
    53,013.07x = 73,158.20 × 29,142.19
  4. Step 4: Simplify right side
    53,013.07x = 2,131,990,164.46
  5. Step 5: Solve for x
    x = 2,131,990,164.46/53,013.07
  6. Step 6: Final answer
    x = 40,216.31

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1.5x scale

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.