Home / 29,110.58-40,156.13-18,336.90

Finding the Fourth Proportional to 29,110.58, 40,156.13 and 18,336.90

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Solution

The fourth proportional to 29,110.58, 40,156.13 and 18,336.90 is: 25,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.58 : 40,156.13 = 18,336.90 : x
  2. Step 2: Convert to fraction form
    29,110.58/40,156.13 = 18,336.90/x
  3. Step 3: Cross multiply
    29,110.58x = 40,156.13 × 18,336.90
  4. Step 4: Simplify right side
    29,110.58x = 736,338,848.51
  5. Step 5: Solve for x
    x = 736,338,848.51/29,110.58
  6. Step 6: Final answer
    x = 25,294.55

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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.