Home / 29,645.27-40,920.89-18,323.45

Finding the Fourth Proportional to 29,645.27, 40,920.89 and 18,323.45

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Solution

The fourth proportional to 29,645.27, 40,920.89 and 18,323.45 is: 25,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.27 : 40,920.89 = 18,323.45 : x
  2. Step 2: Convert to fraction form
    29,645.27/40,920.89 = 18,323.45/x
  3. Step 3: Cross multiply
    29,645.27x = 40,920.89 × 18,323.45
  4. Step 4: Simplify right side
    29,645.27x = 749,811,881.87
  5. Step 5: Solve for x
    x = 749,811,881.87/29,645.27
  6. Step 6: Final answer
    x = 25,292.80

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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.