Home / 35,307.12-48,722.31-21,167.76

Finding the Fourth Proportional to 35,307.12, 48,722.31 and 21,167.76

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Solution

The fourth proportional to 35,307.12, 48,722.31 and 21,167.76 is: 29,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.12 : 48,722.31 = 21,167.76 : x
  2. Step 2: Convert to fraction form
    35,307.12/48,722.31 = 21,167.76/x
  3. Step 3: Cross multiply
    35,307.12x = 48,722.31 × 21,167.76
  4. Step 4: Simplify right side
    35,307.12x = 1,031,342,164.73
  5. Step 5: Solve for x
    x = 1,031,342,164.73/35,307.12
  6. Step 6: Final answer
    x = 29,210.60

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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.