Home / 31,700.04-47,532.28-21,716.08

Finding the Fourth Proportional to 31,700.04, 47,532.28 and 21,716.08

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Solution

The fourth proportional to 31,700.04, 47,532.28 and 21,716.08 is: 32,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.04 : 47,532.28 = 21,716.08 : x
  2. Step 2: Convert to fraction form
    31,700.04/47,532.28 = 21,716.08/x
  3. Step 3: Cross multiply
    31,700.04x = 47,532.28 × 21,716.08
  4. Step 4: Simplify right side
    31,700.04x = 1,032,214,795.06
  5. Step 5: Solve for x
    x = 1,032,214,795.06/31,700.04
  6. Step 6: Final answer
    x = 32,561.94

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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.