Home / 45,347.10-68,033.07-13,758.18

Finding the Fourth Proportional to 45,347.10, 68,033.07 and 13,758.18

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Solution

The fourth proportional to 45,347.10, 68,033.07 and 13,758.18 is: 20,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.10 : 68,033.07 = 13,758.18 : x
  2. Step 2: Convert to fraction form
    45,347.10/68,033.07 = 13,758.18/x
  3. Step 3: Cross multiply
    45,347.10x = 68,033.07 × 13,758.18
  4. Step 4: Simplify right side
    45,347.10x = 936,011,223.01
  5. Step 5: Solve for x
    x = 936,011,223.01/45,347.10
  6. Step 6: Final answer
    x = 20,641.04

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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.