Home / 34,732.68-47,931.28-18,817.16

Finding the Fourth Proportional to 34,732.68, 47,931.28 and 18,817.16

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Solution

The fourth proportional to 34,732.68, 47,931.28 and 18,817.16 is: 25,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,732.68 : 47,931.28 = 18,817.16 : x
  2. Step 2: Convert to fraction form
    34,732.68/47,931.28 = 18,817.16/x
  3. Step 3: Cross multiply
    34,732.68x = 47,931.28 × 18,817.16
  4. Step 4: Simplify right side
    34,732.68x = 901,930,564.76
  5. Step 5: Solve for x
    x = 901,930,564.76/34,732.68
  6. Step 6: Final answer
    x = 25,967.78

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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.