Home / 29,658.04-40,938.51-18,336.22

Finding the Fourth Proportional to 29,658.04, 40,938.51 and 18,336.22

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Solution

The fourth proportional to 29,658.04, 40,938.51 and 18,336.22 is: 25,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658.04 : 40,938.51 = 18,336.22 : x
  2. Step 2: Convert to fraction form
    29,658.04/40,938.51 = 18,336.22/x
  3. Step 3: Cross multiply
    29,658.04x = 40,938.51 × 18,336.22
  4. Step 4: Simplify right side
    29,658.04x = 750,657,525.83
  5. Step 5: Solve for x
    x = 750,657,525.83/29,658.04
  6. Step 6: Final answer
    x = 25,310.42

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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.