Home / 51,065.61-70,469.19-28,403.43

Finding the Fourth Proportional to 51,065.61, 70,469.19 and 28,403.43

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Solution

The fourth proportional to 51,065.61, 70,469.19 and 28,403.43 is: 39,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.61 : 70,469.19 = 28,403.43 : x
  2. Step 2: Convert to fraction form
    51,065.61/70,469.19 = 28,403.43/x
  3. Step 3: Cross multiply
    51,065.61x = 70,469.19 × 28,403.43
  4. Step 4: Simplify right side
    51,065.61x = 2,001,566,705.32
  5. Step 5: Solve for x
    x = 2,001,566,705.32/51,065.61
  6. Step 6: Final answer
    x = 39,195.98

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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.