Home / 30,124.12-41,567.34-17,377.78

Finding the Fourth Proportional to 30,124.12, 41,567.34 and 17,377.78

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Solution

The fourth proportional to 30,124.12, 41,567.34 and 17,377.78 is: 23,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.12 : 41,567.34 = 17,377.78 : x
  2. Step 2: Convert to fraction form
    30,124.12/41,567.34 = 17,377.78/x
  3. Step 3: Cross multiply
    30,124.12x = 41,567.34 × 17,377.78
  4. Step 4: Simplify right side
    30,124.12x = 722,348,089.71
  5. Step 5: Solve for x
    x = 722,348,089.71/30,124.12
  6. Step 6: Final answer
    x = 23,979.06

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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.