Home / 34,736.16-47,934-19,630.56

Finding the Fourth Proportional to 34,736.16, 47,934 and 19,630.56

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Solution

The fourth proportional to 34,736.16, 47,934 and 19,630.56 is: 27,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,736.16 : 47,934 = 19,630.56 : x
  2. Step 2: Convert to fraction form
    34,736.16/47,934 = 19,630.56/x
  3. Step 3: Cross multiply
    34,736.16x = 47,934 × 19,630.56
  4. Step 4: Simplify right side
    34,736.16x = 940,971,263.04
  5. Step 5: Solve for x
    x = 940,971,263.04/34,736.16
  6. Step 6: Final answer
    x = 27,089.10

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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.