Home / 51,226.92-70,694.40-28,565.69

Finding the Fourth Proportional to 51,226.92, 70,694.40 and 28,565.69

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Solution

The fourth proportional to 51,226.92, 70,694.40 and 28,565.69 is: 39,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,226.92 : 70,694.40 = 28,565.69 : x
  2. Step 2: Convert to fraction form
    51,226.92/70,694.40 = 28,565.69/x
  3. Step 3: Cross multiply
    51,226.92x = 70,694.40 × 28,565.69
  4. Step 4: Simplify right side
    51,226.92x = 2,019,434,315.14
  5. Step 5: Solve for x
    x = 2,019,434,315.14/51,226.92
  6. Step 6: Final answer
    x = 39,421.35

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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.