Home / 51,058.10-70,459.52-28,397

Finding the Fourth Proportional to 51,058.10, 70,459.52 and 28,397

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Solution

The fourth proportional to 51,058.10, 70,459.52 and 28,397 is: 39,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.10 : 70,459.52 = 28,397 : x
  2. Step 2: Convert to fraction form
    51,058.10/70,459.52 = 28,397/x
  3. Step 3: Cross multiply
    51,058.10x = 70,459.52 × 28,397
  4. Step 4: Simplify right side
    51,058.10x = 2,000,838,989.44
  5. Step 5: Solve for x
    x = 2,000,838,989.44/51,058.10
  6. Step 6: Final answer
    x = 39,187.49

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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.