Home / 51,342.24-70,853.28-28,986.24

Finding the Fourth Proportional to 51,342.24, 70,853.28 and 28,986.24

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Solution

The fourth proportional to 51,342.24, 70,853.28 and 28,986.24 is: 40,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342.24 : 70,853.28 = 28,986.24 : x
  2. Step 2: Convert to fraction form
    51,342.24/70,853.28 = 28,986.24/x
  3. Step 3: Cross multiply
    51,342.24x = 70,853.28 × 28,986.24
  4. Step 4: Simplify right side
    51,342.24x = 2,053,770,178.87
  5. Step 5: Solve for x
    x = 2,053,770,178.87/51,342.24
  6. Step 6: Final answer
    x = 40,001.57

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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.