Home / 31,610.16-47,417.66-9,421.84

Finding the Fourth Proportional to 31,610.16, 47,417.66 and 9,421.84

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Solution

The fourth proportional to 31,610.16, 47,417.66 and 9,421.84 is: 14,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.16 : 47,417.66 = 9,421.84 : x
  2. Step 2: Convert to fraction form
    31,610.16/47,417.66 = 9,421.84/x
  3. Step 3: Cross multiply
    31,610.16x = 47,417.66 × 9,421.84
  4. Step 4: Simplify right side
    31,610.16x = 446,761,605.69
  5. Step 5: Solve for x
    x = 446,761,605.69/31,610.16
  6. Step 6: Final answer
    x = 14,133.48

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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.