Home / 46,634.48-69,937.13-20,312.72

Finding the Fourth Proportional to 46,634.48, 69,937.13 and 20,312.72

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Solution

The fourth proportional to 46,634.48, 69,937.13 and 20,312.72 is: 30,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,634.48 : 69,937.13 = 20,312.72 : x
  2. Step 2: Convert to fraction form
    46,634.48/69,937.13 = 20,312.72/x
  3. Step 3: Cross multiply
    46,634.48x = 69,937.13 × 20,312.72
  4. Step 4: Simplify right side
    46,634.48x = 1,420,612,888.04
  5. Step 5: Solve for x
    x = 1,420,612,888.04/46,634.48
  6. Step 6: Final answer
    x = 30,462.72

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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.