Home / 46,641.90-69,937.20-31,867.50

Finding the Fourth Proportional to 46,641.90, 69,937.20 and 31,867.50

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Solution

The fourth proportional to 46,641.90, 69,937.20 and 31,867.50 is: 47,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,641.90 : 69,937.20 = 31,867.50 : x
  2. Step 2: Convert to fraction form
    46,641.90/69,937.20 = 31,867.50/x
  3. Step 3: Cross multiply
    46,641.90x = 69,937.20 × 31,867.50
  4. Step 4: Simplify right side
    46,641.90x = 2,228,723,721
  5. Step 5: Solve for x
    x = 2,228,723,721/46,641.90
  6. Step 6: Final answer
    x = 47,783.72

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1.5x scale

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.