Home / 29,365.20-40,503.91-18,750.05

Finding the Fourth Proportional to 29,365.20, 40,503.91 and 18,750.05

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Solution

The fourth proportional to 29,365.20, 40,503.91 and 18,750.05 is: 25,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.20 : 40,503.91 = 18,750.05 : x
  2. Step 2: Convert to fraction form
    29,365.20/40,503.91 = 18,750.05/x
  3. Step 3: Cross multiply
    29,365.20x = 40,503.91 × 18,750.05
  4. Step 4: Simplify right side
    29,365.20x = 759,450,189.56
  5. Step 5: Solve for x
    x = 759,450,189.56/29,365.20
  6. Step 6: Final answer
    x = 25,862.25

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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.