Home / 31,868.14-47,799.08-9,681.70

Finding the Fourth Proportional to 31,868.14, 47,799.08 and 9,681.70

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Solution

The fourth proportional to 31,868.14, 47,799.08 and 9,681.70 is: 14,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.14 : 47,799.08 = 9,681.70 : x
  2. Step 2: Convert to fraction form
    31,868.14/47,799.08 = 9,681.70/x
  3. Step 3: Cross multiply
    31,868.14x = 47,799.08 × 9,681.70
  4. Step 4: Simplify right side
    31,868.14x = 462,776,352.84
  5. Step 5: Solve for x
    x = 462,776,352.84/31,868.14
  6. Step 6: Final answer
    x = 14,521.60

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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.