Home / 31,275.72-46,907.98-15,475.66

Finding the Fourth Proportional to 31,275.72, 46,907.98 and 15,475.66

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Solution

The fourth proportional to 31,275.72, 46,907.98 and 15,475.66 is: 23,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.72 : 46,907.98 = 15,475.66 : x
  2. Step 2: Convert to fraction form
    31,275.72/46,907.98 = 15,475.66/x
  3. Step 3: Cross multiply
    31,275.72x = 46,907.98 × 15,475.66
  4. Step 4: Simplify right side
    31,275.72x = 725,931,793.81
  5. Step 5: Solve for x
    x = 725,931,793.81/31,275.72
  6. Step 6: Final answer
    x = 23,210.71

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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.