Home / 30,973.23-42,742.08-17,545.73

Finding the Fourth Proportional to 30,973.23, 42,742.08 and 17,545.73

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Solution

The fourth proportional to 30,973.23, 42,742.08 and 17,545.73 is: 24,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.23 : 42,742.08 = 17,545.73 : x
  2. Step 2: Convert to fraction form
    30,973.23/42,742.08 = 17,545.73/x
  3. Step 3: Cross multiply
    30,973.23x = 42,742.08 × 17,545.73
  4. Step 4: Simplify right side
    30,973.23x = 749,940,781.61
  5. Step 5: Solve for x
    x = 749,940,781.61/30,973.23
  6. Step 6: Final answer
    x = 24,212.55

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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.