Home / 47,385.46-65,363.11-28,252.68

Finding the Fourth Proportional to 47,385.46, 65,363.11 and 28,252.68

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Solution

The fourth proportional to 47,385.46, 65,363.11 and 28,252.68 is: 38,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.46 : 65,363.11 = 28,252.68 : x
  2. Step 2: Convert to fraction form
    47,385.46/65,363.11 = 28,252.68/x
  3. Step 3: Cross multiply
    47,385.46x = 65,363.11 × 28,252.68
  4. Step 4: Simplify right side
    47,385.46x = 1,846,683,030.63
  5. Step 5: Solve for x
    x = 1,846,683,030.63/47,385.46
  6. Step 6: Final answer
    x = 38,971.51

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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.