Home / 45,543.65-68,299.04-19,250.42

Finding the Fourth Proportional to 45,543.65, 68,299.04 and 19,250.42

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Solution

The fourth proportional to 45,543.65, 68,299.04 and 19,250.42 is: 28,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.65 : 68,299.04 = 19,250.42 : x
  2. Step 2: Convert to fraction form
    45,543.65/68,299.04 = 19,250.42/x
  3. Step 3: Cross multiply
    45,543.65x = 68,299.04 × 19,250.42
  4. Step 4: Simplify right side
    45,543.65x = 1,314,785,109.34
  5. Step 5: Solve for x
    x = 1,314,785,109.34/45,543.65
  6. Step 6: Final answer
    x = 28,868.68

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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.