Home / 34,767.90-52,139.70-18,122.40

Finding the Fourth Proportional to 34,767.90, 52,139.70 and 18,122.40

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Solution

The fourth proportional to 34,767.90, 52,139.70 and 18,122.40 is: 27,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.90 : 52,139.70 = 18,122.40 : x
  2. Step 2: Convert to fraction form
    34,767.90/52,139.70 = 18,122.40/x
  3. Step 3: Cross multiply
    34,767.90x = 52,139.70 × 18,122.40
  4. Step 4: Simplify right side
    34,767.90x = 944,896,499.28
  5. Step 5: Solve for x
    x = 944,896,499.28/34,767.90
  6. Step 6: Final answer
    x = 27,177.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.