Home / 34,526.59-47,650.35-21,105.70

Finding the Fourth Proportional to 34,526.59, 47,650.35 and 21,105.70

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Solution

The fourth proportional to 34,526.59, 47,650.35 and 21,105.70 is: 29,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,526.59 : 47,650.35 = 21,105.70 : x
  2. Step 2: Convert to fraction form
    34,526.59/47,650.35 = 21,105.70/x
  3. Step 3: Cross multiply
    34,526.59x = 47,650.35 × 21,105.70
  4. Step 4: Simplify right side
    34,526.59x = 1,005,693,992.00
  5. Step 5: Solve for x
    x = 1,005,693,992.00/34,526.59
  6. Step 6: Final answer
    x = 29,128.10

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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.