Home / 51,320.19-70,819.16-28,962.75

Finding the Fourth Proportional to 51,320.19, 70,819.16 and 28,962.75

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Solution

The fourth proportional to 51,320.19, 70,819.16 and 28,962.75 is: 39,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.19 : 70,819.16 = 28,962.75 : x
  2. Step 2: Convert to fraction form
    51,320.19/70,819.16 = 28,962.75/x
  3. Step 3: Cross multiply
    51,320.19x = 70,819.16 × 28,962.75
  4. Step 4: Simplify right side
    51,320.19x = 2,051,117,481.48
  5. Step 5: Solve for x
    x = 2,051,117,481.48/51,320.19
  6. Step 6: Final answer
    x = 39,967.07

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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.