Home / 53,021.09-73,166.02-29,147.76

Finding the Fourth Proportional to 53,021.09, 73,166.02 and 29,147.76

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Solution

The fourth proportional to 53,021.09, 73,166.02 and 29,147.76 is: 40,222.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.09 : 73,166.02 = 29,147.76 : x
  2. Step 2: Convert to fraction form
    53,021.09/73,166.02 = 29,147.76/x
  3. Step 3: Cross multiply
    53,021.09x = 73,166.02 × 29,147.76
  4. Step 4: Simplify right side
    53,021.09x = 2,132,625,445.38
  5. Step 5: Solve for x
    x = 2,132,625,445.38/53,021.09
  6. Step 6: Final answer
    x = 40,222.21

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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.