Home / 46,578.08-69,865.40-20,282.88

Finding the Fourth Proportional to 46,578.08, 69,865.40 and 20,282.88

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Solution

The fourth proportional to 46,578.08, 69,865.40 and 20,282.88 is: 30,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,578.08 : 69,865.40 = 20,282.88 : x
  2. Step 2: Convert to fraction form
    46,578.08/69,865.40 = 20,282.88/x
  3. Step 3: Cross multiply
    46,578.08x = 69,865.40 × 20,282.88
  4. Step 4: Simplify right side
    46,578.08x = 1,417,071,524.35
  5. Step 5: Solve for x
    x = 1,417,071,524.35/46,578.08
  6. Step 6: Final answer
    x = 30,423.57

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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.