Home / 51,272.10-70,753.77-30,065.40

Finding the Fourth Proportional to 51,272.10, 70,753.77 and 30,065.40

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Solution

The fourth proportional to 51,272.10, 70,753.77 and 30,065.40 is: 41,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,272.10 : 70,753.77 = 30,065.40 : x
  2. Step 2: Convert to fraction form
    51,272.10/70,753.77 = 30,065.40/x
  3. Step 3: Cross multiply
    51,272.10x = 70,753.77 × 30,065.40
  4. Step 4: Simplify right side
    51,272.10x = 2,127,240,396.56
  5. Step 5: Solve for x
    x = 2,127,240,396.56/51,272.10
  6. Step 6: Final answer
    x = 41,489.24

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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.