Home / 39,689.14-59,523.69-14,715.46

Finding the Fourth Proportional to 39,689.14, 59,523.69 and 14,715.46

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Solution

The fourth proportional to 39,689.14, 59,523.69 and 14,715.46 is: 22,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.14 : 59,523.69 = 14,715.46 : x
  2. Step 2: Convert to fraction form
    39,689.14/59,523.69 = 14,715.46/x
  3. Step 3: Cross multiply
    39,689.14x = 59,523.69 × 14,715.46
  4. Step 4: Simplify right side
    39,689.14x = 875,918,479.25
  5. Step 5: Solve for x
    x = 875,918,479.25/39,689.14
  6. Step 6: Final answer
    x = 22,069.47

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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.