Home / 51,271.02-70,753.90-28,608.64

Finding the Fourth Proportional to 51,271.02, 70,753.90 and 28,608.64

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Solution

The fourth proportional to 51,271.02, 70,753.90 and 28,608.64 is: 39,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,271.02 : 70,753.90 = 28,608.64 : x
  2. Step 2: Convert to fraction form
    51,271.02/70,753.90 = 28,608.64/x
  3. Step 3: Cross multiply
    51,271.02x = 70,753.90 × 28,608.64
  4. Step 4: Simplify right side
    51,271.02x = 2,024,172,853.70
  5. Step 5: Solve for x
    x = 2,024,172,853.70/51,271.02
  6. Step 6: Final answer
    x = 39,479.86

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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.