Home / 47,247.40-65,176.60-28,113.58

Finding the Fourth Proportional to 47,247.40, 65,176.60 and 28,113.58

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Solution

The fourth proportional to 47,247.40, 65,176.60 and 28,113.58 is: 38,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,247.40 : 65,176.60 = 28,113.58 : x
  2. Step 2: Convert to fraction form
    47,247.40/65,176.60 = 28,113.58/x
  3. Step 3: Cross multiply
    47,247.40x = 65,176.60 × 28,113.58
  4. Step 4: Simplify right side
    47,247.40x = 1,832,347,558.23
  5. Step 5: Solve for x
    x = 1,832,347,558.23/47,247.40
  6. Step 6: Final answer
    x = 38,781.98

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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.