Home / 34,710.64-47,900.72-18,795.12

Finding the Fourth Proportional to 34,710.64, 47,900.72 and 18,795.12

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Solution

The fourth proportional to 34,710.64, 47,900.72 and 18,795.12 is: 25,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,710.64 : 47,900.72 = 18,795.12 : x
  2. Step 2: Convert to fraction form
    34,710.64/47,900.72 = 18,795.12/x
  3. Step 3: Cross multiply
    34,710.64x = 47,900.72 × 18,795.12
  4. Step 4: Simplify right side
    34,710.64x = 900,299,780.49
  5. Step 5: Solve for x
    x = 900,299,780.49/34,710.64
  6. Step 6: Final answer
    x = 25,937.29

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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.