Home / 47,300.54-65,276.32-28,177.70

Finding the Fourth Proportional to 47,300.54, 65,276.32 and 28,177.70

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Solution

The fourth proportional to 47,300.54, 65,276.32 and 28,177.70 is: 38,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,300.54 : 65,276.32 = 28,177.70 : x
  2. Step 2: Convert to fraction form
    47,300.54/65,276.32 = 28,177.70/x
  3. Step 3: Cross multiply
    47,300.54x = 65,276.32 × 28,177.70
  4. Step 4: Simplify right side
    47,300.54x = 1,839,336,562.06
  5. Step 5: Solve for x
    x = 1,839,336,562.06/47,300.54
  6. Step 6: Final answer
    x = 38,886.16

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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.