Home / 51,012.14-70,395.36-28,351.04

Finding the Fourth Proportional to 51,012.14, 70,395.36 and 28,351.04

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Solution

The fourth proportional to 51,012.14, 70,395.36 and 28,351.04 is: 39,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,012.14 : 70,395.36 = 28,351.04 : x
  2. Step 2: Convert to fraction form
    51,012.14/70,395.36 = 28,351.04/x
  3. Step 3: Cross multiply
    51,012.14x = 70,395.36 × 28,351.04
  4. Step 4: Simplify right side
    51,012.14x = 1,995,781,667.17
  5. Step 5: Solve for x
    x = 1,995,781,667.17/51,012.14
  6. Step 6: Final answer
    x = 39,123.66

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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.