Home / 51,063.78-70,467.01-28,402.29

Finding the Fourth Proportional to 51,063.78, 70,467.01 and 28,402.29

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Solution

The fourth proportional to 51,063.78, 70,467.01 and 28,402.29 is: 39,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,063.78 : 70,467.01 = 28,402.29 : x
  2. Step 2: Convert to fraction form
    51,063.78/70,467.01 = 28,402.29/x
  3. Step 3: Cross multiply
    51,063.78x = 70,467.01 × 28,402.29
  4. Step 4: Simplify right side
    51,063.78x = 2,001,424,118.20
  5. Step 5: Solve for x
    x = 2,001,424,118.20/51,063.78
  6. Step 6: Final answer
    x = 39,194.59

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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.