Home / 51,043.34-70,443-28,382.52

Finding the Fourth Proportional to 51,043.34, 70,443 and 28,382.52

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Solution

The fourth proportional to 51,043.34, 70,443 and 28,382.52 is: 39,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.34 : 70,443 = 28,382.52 : x
  2. Step 2: Convert to fraction form
    51,043.34/70,443 = 28,382.52/x
  3. Step 3: Cross multiply
    51,043.34x = 70,443 × 28,382.52
  4. Step 4: Simplify right side
    51,043.34x = 1,999,349,856.36
  5. Step 5: Solve for x
    x = 1,999,349,856.36/51,043.34
  6. Step 6: Final answer
    x = 39,169.65

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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.