Home / 51,149.54-70,586.38-28,492.90

Finding the Fourth Proportional to 51,149.54, 70,586.38 and 28,492.90

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Solution

The fourth proportional to 51,149.54, 70,586.38 and 28,492.90 is: 39,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,149.54 : 70,586.38 = 28,492.90 : x
  2. Step 2: Convert to fraction form
    51,149.54/70,586.38 = 28,492.90/x
  3. Step 3: Cross multiply
    51,149.54x = 70,586.38 × 28,492.90
  4. Step 4: Simplify right side
    51,149.54x = 2,011,210,666.70
  5. Step 5: Solve for x
    x = 2,011,210,666.70/51,149.54
  6. Step 6: Final answer
    x = 39,320.21

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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.