Home / 45,319.47-62,557.71-38,920.37

Finding the Fourth Proportional to 45,319.47, 62,557.71 and 38,920.37

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Solution

The fourth proportional to 45,319.47, 62,557.71 and 38,920.37 is: 53,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,319.47 : 62,557.71 = 38,920.37 : x
  2. Step 2: Convert to fraction form
    45,319.47/62,557.71 = 38,920.37/x
  3. Step 3: Cross multiply
    45,319.47x = 62,557.71 × 38,920.37
  4. Step 4: Simplify right side
    45,319.47x = 2,434,768,906.76
  5. Step 5: Solve for x
    x = 2,434,768,906.76/45,319.47
  6. Step 6: Final answer
    x = 53,724.57

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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.