Home / 34,073.78-47,021.45-18,966.20

Finding the Fourth Proportional to 34,073.78, 47,021.45 and 18,966.20

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Solution

The fourth proportional to 34,073.78, 47,021.45 and 18,966.20 is: 26,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,073.78 : 47,021.45 = 18,966.20 : x
  2. Step 2: Convert to fraction form
    34,073.78/47,021.45 = 18,966.20/x
  3. Step 3: Cross multiply
    34,073.78x = 47,021.45 × 18,966.20
  4. Step 4: Simplify right side
    34,073.78x = 891,818,224.99
  5. Step 5: Solve for x
    x = 891,818,224.99/34,073.78
  6. Step 6: Final answer
    x = 26,173.15

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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.