Home / 31,515.69-47,282.70-9,329.64

Finding the Fourth Proportional to 31,515.69, 47,282.70 and 9,329.64

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Solution

The fourth proportional to 31,515.69, 47,282.70 and 9,329.64 is: 13,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.69 : 47,282.70 = 9,329.64 : x
  2. Step 2: Convert to fraction form
    31,515.69/47,282.70 = 9,329.64/x
  3. Step 3: Cross multiply
    31,515.69x = 47,282.70 × 9,329.64
  4. Step 4: Simplify right side
    31,515.69x = 441,130,569.23
  5. Step 5: Solve for x
    x = 441,130,569.23/31,515.69
  6. Step 6: Final answer
    x = 13,997.17

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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.