Home / 53,151.12-73,348.56-29,277.72

Finding the Fourth Proportional to 53,151.12, 73,348.56 and 29,277.72

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Solution

The fourth proportional to 53,151.12, 73,348.56 and 29,277.72 is: 40,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.12 : 73,348.56 = 29,277.72 : x
  2. Step 2: Convert to fraction form
    53,151.12/73,348.56 = 29,277.72/x
  3. Step 3: Cross multiply
    53,151.12x = 73,348.56 × 29,277.72
  4. Step 4: Simplify right side
    53,151.12x = 2,147,478,602.08
  5. Step 5: Solve for x
    x = 2,147,478,602.08/53,151.12
  6. Step 6: Final answer
    x = 40,403.26

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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.