Home / 53,419.10-73,718.24-29,220.12

Finding the Fourth Proportional to 53,419.10, 73,718.24 and 29,220.12

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Solution

The fourth proportional to 53,419.10, 73,718.24 and 29,220.12 is: 40,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.10 : 73,718.24 = 29,220.12 : x
  2. Step 2: Convert to fraction form
    53,419.10/73,718.24 = 29,220.12/x
  3. Step 3: Cross multiply
    53,419.10x = 73,718.24 × 29,220.12
  4. Step 4: Simplify right side
    53,419.10x = 2,154,055,672.89
  5. Step 5: Solve for x
    x = 2,154,055,672.89/53,419.10
  6. Step 6: Final answer
    x = 40,323.70

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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.