Home / 53,153.65-73,352.51-29,280.39

Finding the Fourth Proportional to 53,153.65, 73,352.51 and 29,280.39

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Solution

The fourth proportional to 53,153.65, 73,352.51 and 29,280.39 is: 40,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153.65 : 73,352.51 = 29,280.39 : x
  2. Step 2: Convert to fraction form
    53,153.65/73,352.51 = 29,280.39/x
  3. Step 3: Cross multiply
    53,153.65x = 73,352.51 × 29,280.39
  4. Step 4: Simplify right side
    53,153.65x = 2,147,790,100.28
  5. Step 5: Solve for x
    x = 2,147,790,100.28/53,153.65
  6. Step 6: Final answer
    x = 40,407.20

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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.