Home / 51,015.53-70,398.33-28,353.77

Finding the Fourth Proportional to 51,015.53, 70,398.33 and 28,353.77

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Solution

The fourth proportional to 51,015.53, 70,398.33 and 28,353.77 is: 39,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,015.53 : 70,398.33 = 28,353.77 : x
  2. Step 2: Convert to fraction form
    51,015.53/70,398.33 = 28,353.77/x
  3. Step 3: Cross multiply
    51,015.53x = 70,398.33 × 28,353.77
  4. Step 4: Simplify right side
    51,015.53x = 1,996,058,280.17
  5. Step 5: Solve for x
    x = 1,996,058,280.17/51,015.53
  6. Step 6: Final answer
    x = 39,126.48

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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.