Home / 45,420.52-62,673.33-28,416.55

Finding the Fourth Proportional to 45,420.52, 62,673.33 and 28,416.55

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Solution

The fourth proportional to 45,420.52, 62,673.33 and 28,416.55 is: 39,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.52 : 62,673.33 = 28,416.55 : x
  2. Step 2: Convert to fraction form
    45,420.52/62,673.33 = 28,416.55/x
  3. Step 3: Cross multiply
    45,420.52x = 62,673.33 × 28,416.55
  4. Step 4: Simplify right side
    45,420.52x = 1,780,959,815.61
  5. Step 5: Solve for x
    x = 1,780,959,815.61/45,420.52
  6. Step 6: Final answer
    x = 39,210.47

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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.