Home / 51,176.18-70,621.35-28,514.00

Finding the Fourth Proportional to 51,176.18, 70,621.35 and 28,514.00

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Solution

The fourth proportional to 51,176.18, 70,621.35 and 28,514.00 is: 39,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.18 : 70,621.35 = 28,514.00 : x
  2. Step 2: Convert to fraction form
    51,176.18/70,621.35 = 28,514.00/x
  3. Step 3: Cross multiply
    51,176.18x = 70,621.35 × 28,514.00
  4. Step 4: Simplify right side
    51,176.18x = 2,013,697,243.53
  5. Step 5: Solve for x
    x = 2,013,697,243.53/51,176.18
  6. Step 6: Final answer
    x = 39,348.33

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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.