Home / 31,717.98-47,569.14-10,658.79

Finding the Fourth Proportional to 31,717.98, 47,569.14 and 10,658.79

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Solution

The fourth proportional to 31,717.98, 47,569.14 and 10,658.79 is: 15,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.98 : 47,569.14 = 10,658.79 : x
  2. Step 2: Convert to fraction form
    31,717.98/47,569.14 = 10,658.79/x
  3. Step 3: Cross multiply
    31,717.98x = 47,569.14 × 10,658.79
  4. Step 4: Simplify right side
    31,717.98x = 507,029,473.74
  5. Step 5: Solve for x
    x = 507,029,473.74/31,717.98
  6. Step 6: Final answer
    x = 15,985.55

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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.