Home / 34,292.43-47,329.02-20,145.15

Finding the Fourth Proportional to 34,292.43, 47,329.02 and 20,145.15

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Solution

The fourth proportional to 34,292.43, 47,329.02 and 20,145.15 is: 27,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,292.43 : 47,329.02 = 20,145.15 : x
  2. Step 2: Convert to fraction form
    34,292.43/47,329.02 = 20,145.15/x
  3. Step 3: Cross multiply
    34,292.43x = 47,329.02 × 20,145.15
  4. Step 4: Simplify right side
    34,292.43x = 953,450,207.25
  5. Step 5: Solve for x
    x = 953,450,207.25/34,292.43
  6. Step 6: Final answer
    x = 27,803.52

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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.