Home / 30,141.06-41,587.93-18,039.66

Finding the Fourth Proportional to 30,141.06, 41,587.93 and 18,039.66

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Solution

The fourth proportional to 30,141.06, 41,587.93 and 18,039.66 is: 24,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.06 : 41,587.93 = 18,039.66 : x
  2. Step 2: Convert to fraction form
    30,141.06/41,587.93 = 18,039.66/x
  3. Step 3: Cross multiply
    30,141.06x = 41,587.93 × 18,039.66
  4. Step 4: Simplify right side
    30,141.06x = 750,232,117.30
  5. Step 5: Solve for x
    x = 750,232,117.30/30,141.06
  6. Step 6: Final answer
    x = 24,890.70

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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.