Home / 34,065.72-51,011.10-20,878.14

Finding the Fourth Proportional to 34,065.72, 51,011.10 and 20,878.14

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Solution

The fourth proportional to 34,065.72, 51,011.10 and 20,878.14 is: 31,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,065.72 : 51,011.10 = 20,878.14 : x
  2. Step 2: Convert to fraction form
    34,065.72/51,011.10 = 20,878.14/x
  3. Step 3: Cross multiply
    34,065.72x = 51,011.10 × 20,878.14
  4. Step 4: Simplify right side
    34,065.72x = 1,065,016,887.35
  5. Step 5: Solve for x
    x = 1,065,016,887.35/34,065.72
  6. Step 6: Final answer
    x = 31,263.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.