Home / 34,624.13-47,781.16-18,708.55

Finding the Fourth Proportional to 34,624.13, 47,781.16 and 18,708.55

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Solution

The fourth proportional to 34,624.13, 47,781.16 and 18,708.55 is: 25,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,624.13 : 47,781.16 = 18,708.55 : x
  2. Step 2: Convert to fraction form
    34,624.13/47,781.16 = 18,708.55/x
  3. Step 3: Cross multiply
    34,624.13x = 47,781.16 × 18,708.55
  4. Step 4: Simplify right side
    34,624.13x = 893,916,054.69
  5. Step 5: Solve for x
    x = 893,916,054.69/34,624.13
  6. Step 6: Final answer
    x = 25,817.72

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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.