Home / 36,870.30-55,309.04-14,678.49

Finding the Fourth Proportional to 36,870.30, 55,309.04 and 14,678.49

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Solution

The fourth proportional to 36,870.30, 55,309.04 and 14,678.49 is: 22,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.30 : 55,309.04 = 14,678.49 : x
  2. Step 2: Convert to fraction form
    36,870.30/55,309.04 = 14,678.49/x
  3. Step 3: Cross multiply
    36,870.30x = 55,309.04 × 14,678.49
  4. Step 4: Simplify right side
    36,870.30x = 811,853,190.55
  5. Step 5: Solve for x
    x = 811,853,190.55/36,870.30
  6. Step 6: Final answer
    x = 22,019.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.