Home / 51,248.10-70,722.46-28,588.56

Finding the Fourth Proportional to 51,248.10, 70,722.46 and 28,588.56

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Solution

The fourth proportional to 51,248.10, 70,722.46 and 28,588.56 is: 39,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.10 : 70,722.46 = 28,588.56 : x
  2. Step 2: Convert to fraction form
    51,248.10/70,722.46 = 28,588.56/x
  3. Step 3: Cross multiply
    51,248.10x = 70,722.46 × 28,588.56
  4. Step 4: Simplify right side
    51,248.10x = 2,021,853,291.06
  5. Step 5: Solve for x
    x = 2,021,853,291.06/51,248.10
  6. Step 6: Final answer
    x = 39,452.26

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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.