Home / 29,555.54-40,770.51-18,933.20

Finding the Fourth Proportional to 29,555.54, 40,770.51 and 18,933.20

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Solution

The fourth proportional to 29,555.54, 40,770.51 and 18,933.20 is: 26,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,555.54 : 40,770.51 = 18,933.20 : x
  2. Step 2: Convert to fraction form
    29,555.54/40,770.51 = 18,933.20/x
  3. Step 3: Cross multiply
    29,555.54x = 40,770.51 × 18,933.20
  4. Step 4: Simplify right side
    29,555.54x = 771,916,219.93
  5. Step 5: Solve for x
    x = 771,916,219.93/29,555.54
  6. Step 6: Final answer
    x = 26,117.48

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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.