Home / 53,010.59-73,155.17-28,811.55

Finding the Fourth Proportional to 53,010.59, 73,155.17 and 28,811.55

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Solution

The fourth proportional to 53,010.59, 73,155.17 and 28,811.55 is: 39,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.59 : 73,155.17 = 28,811.55 : x
  2. Step 2: Convert to fraction form
    53,010.59/73,155.17 = 28,811.55/x
  3. Step 3: Cross multiply
    53,010.59x = 73,155.17 × 28,811.55
  4. Step 4: Simplify right side
    53,010.59x = 2,107,713,838.21
  5. Step 5: Solve for x
    x = 2,107,713,838.21/53,010.59
  6. Step 6: Final answer
    x = 39,760.24

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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.