Home / 51,065.12-70,472.24-28,406.44

Finding the Fourth Proportional to 51,065.12, 70,472.24 and 28,406.44

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Solution

The fourth proportional to 51,065.12, 70,472.24 and 28,406.44 is: 39,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.12 : 70,472.24 = 28,406.44 : x
  2. Step 2: Convert to fraction form
    51,065.12/70,472.24 = 28,406.44/x
  3. Step 3: Cross multiply
    51,065.12x = 70,472.24 × 28,406.44
  4. Step 4: Simplify right side
    51,065.12x = 2,001,865,457.23
  5. Step 5: Solve for x
    x = 2,001,865,457.23/51,065.12
  6. Step 6: Final answer
    x = 39,202.21

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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.