Home / 51,442.34-70,987.56-28,776.96

Finding the Fourth Proportional to 51,442.34, 70,987.56 and 28,776.96

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Solution

The fourth proportional to 51,442.34, 70,987.56 and 28,776.96 is: 39,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.34 : 70,987.56 = 28,776.96 : x
  2. Step 2: Convert to fraction form
    51,442.34/70,987.56 = 28,776.96/x
  3. Step 3: Cross multiply
    51,442.34x = 70,987.56 × 28,776.96
  4. Step 4: Simplify right side
    51,442.34x = 2,042,806,174.62
  5. Step 5: Solve for x
    x = 2,042,806,174.62/51,442.34
  6. Step 6: Final answer
    x = 39,710.60

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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.