Home / 51,058.55-70,459.57-28,397.48

Finding the Fourth Proportional to 51,058.55, 70,459.57 and 28,397.48

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Solution

The fourth proportional to 51,058.55, 70,459.57 and 28,397.48 is: 39,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.55 : 70,459.57 = 28,397.48 : x
  2. Step 2: Convert to fraction form
    51,058.55/70,459.57 = 28,397.48/x
  3. Step 3: Cross multiply
    51,058.55x = 70,459.57 × 28,397.48
  4. Step 4: Simplify right side
    51,058.55x = 2,000,873,913.08
  5. Step 5: Solve for x
    x = 2,000,873,913.08/51,058.55
  6. Step 6: Final answer
    x = 39,187.83

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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.