Home / 47,071.20-70,945.20-40,575.84

Finding the Fourth Proportional to 47,071.20, 70,945.20 and 40,575.84

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Solution

The fourth proportional to 47,071.20, 70,945.20 and 40,575.84 is: 61,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.20 : 70,945.20 = 40,575.84 : x
  2. Step 2: Convert to fraction form
    47,071.20/70,945.20 = 40,575.84/x
  3. Step 3: Cross multiply
    47,071.20x = 70,945.20 × 40,575.84
  4. Step 4: Simplify right side
    47,071.20x = 2,878,661,083.97
  5. Step 5: Solve for x
    x = 2,878,661,083.97/47,071.20
  6. Step 6: Final answer
    x = 61,155.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.