Home / 30,305.16-41,818.14-16,875.90

Finding the Fourth Proportional to 30,305.16, 41,818.14 and 16,875.90

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Solution

The fourth proportional to 30,305.16, 41,818.14 and 16,875.90 is: 23,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.16 : 41,818.14 = 16,875.90 : x
  2. Step 2: Convert to fraction form
    30,305.16/41,818.14 = 16,875.90/x
  3. Step 3: Cross multiply
    30,305.16x = 41,818.14 × 16,875.90
  4. Step 4: Simplify right side
    30,305.16x = 705,718,748.83
  5. Step 5: Solve for x
    x = 705,718,748.83/30,305.16
  6. Step 6: Final answer
    x = 23,287.08

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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.