Home / 47,500.06-65,539.47-28,374.70

Finding the Fourth Proportional to 47,500.06, 65,539.47 and 28,374.70

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Solution

The fourth proportional to 47,500.06, 65,539.47 and 28,374.70 is: 39,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,500.06 : 65,539.47 = 28,374.70 : x
  2. Step 2: Convert to fraction form
    47,500.06/65,539.47 = 28,374.70/x
  3. Step 3: Cross multiply
    47,500.06x = 65,539.47 × 28,374.70
  4. Step 4: Simplify right side
    47,500.06x = 1,859,662,799.41
  5. Step 5: Solve for x
    x = 1,859,662,799.41/47,500.06
  6. Step 6: Final answer
    x = 39,150.75

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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.