Home / 31,598.80-43,612.08-18,852.88

Finding the Fourth Proportional to 31,598.80, 43,612.08 and 18,852.88

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Solution

The fourth proportional to 31,598.80, 43,612.08 and 18,852.88 is: 26,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598.80 : 43,612.08 = 18,852.88 : x
  2. Step 2: Convert to fraction form
    31,598.80/43,612.08 = 18,852.88/x
  3. Step 3: Cross multiply
    31,598.80x = 43,612.08 × 18,852.88
  4. Step 4: Simplify right side
    31,598.80x = 822,213,310.79
  5. Step 5: Solve for x
    x = 822,213,310.79/31,598.80
  6. Step 6: Final answer
    x = 26,020.40

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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.