Home / 31,699.85-47,557.67-9,513.63

Finding the Fourth Proportional to 31,699.85, 47,557.67 and 9,513.63

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Solution

The fourth proportional to 31,699.85, 47,557.67 and 9,513.63 is: 14,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699.85 : 47,557.67 = 9,513.63 : x
  2. Step 2: Convert to fraction form
    31,699.85/47,557.67 = 9,513.63/x
  3. Step 3: Cross multiply
    31,699.85x = 47,557.67 × 9,513.63
  4. Step 4: Simplify right side
    31,699.85x = 452,446,028.47
  5. Step 5: Solve for x
    x = 452,446,028.47/31,699.85
  6. Step 6: Final answer
    x = 14,272.82

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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.