Home / 53,455.18-73,767.42-29,580.40

Finding the Fourth Proportional to 53,455.18, 73,767.42 and 29,580.40

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Solution

The fourth proportional to 53,455.18, 73,767.42 and 29,580.40 is: 40,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.18 : 73,767.42 = 29,580.40 : x
  2. Step 2: Convert to fraction form
    53,455.18/73,767.42 = 29,580.40/x
  3. Step 3: Cross multiply
    53,455.18x = 73,767.42 × 29,580.40
  4. Step 4: Simplify right side
    53,455.18x = 2,182,069,790.57
  5. Step 5: Solve for x
    x = 2,182,069,790.57/53,455.18
  6. Step 6: Final answer
    x = 40,820.55

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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.