Home / 51,213.62-70,675.10-28,554.04

Finding the Fourth Proportional to 51,213.62, 70,675.10 and 28,554.04

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Solution

The fourth proportional to 51,213.62, 70,675.10 and 28,554.04 is: 39,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.62 : 70,675.10 = 28,554.04 : x
  2. Step 2: Convert to fraction form
    51,213.62/70,675.10 = 28,554.04/x
  3. Step 3: Cross multiply
    51,213.62x = 70,675.10 × 28,554.04
  4. Step 4: Simplify right side
    51,213.62x = 2,018,059,632.40
  5. Step 5: Solve for x
    x = 2,018,059,632.40/51,213.62
  6. Step 6: Final answer
    x = 39,404.74

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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.