Home / 34,291.80-47,324.88-19,186.20

Finding the Fourth Proportional to 34,291.80, 47,324.88 and 19,186.20

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Solution

The fourth proportional to 34,291.80, 47,324.88 and 19,186.20 is: 26,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,291.80 : 47,324.88 = 19,186.20 : x
  2. Step 2: Convert to fraction form
    34,291.80/47,324.88 = 19,186.20/x
  3. Step 3: Cross multiply
    34,291.80x = 47,324.88 × 19,186.20
  4. Step 4: Simplify right side
    34,291.80x = 907,984,612.66
  5. Step 5: Solve for x
    x = 907,984,612.66/34,291.80
  6. Step 6: Final answer
    x = 26,478.18

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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.