Home / 40,684.18-56,086.40-29,910.05

Finding the Fourth Proportional to 40,684.18, 56,086.40 and 29,910.05

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Solution

The fourth proportional to 40,684.18, 56,086.40 and 29,910.05 is: 41,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.18 : 56,086.40 = 29,910.05 : x
  2. Step 2: Convert to fraction form
    40,684.18/56,086.40 = 29,910.05/x
  3. Step 3: Cross multiply
    40,684.18x = 56,086.40 × 29,910.05
  4. Step 4: Simplify right side
    40,684.18x = 1,677,547,028.32
  5. Step 5: Solve for x
    x = 1,677,547,028.32/40,684.18
  6. Step 6: Final answer
    x = 41,233.40

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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.