Home / 39,772.47-59,588.49-21,011.07

Finding the Fourth Proportional to 39,772.47, 59,588.49 and 21,011.07

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Solution

The fourth proportional to 39,772.47, 59,588.49 and 21,011.07 is: 31,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,772.47 : 59,588.49 = 21,011.07 : x
  2. Step 2: Convert to fraction form
    39,772.47/59,588.49 = 21,011.07/x
  3. Step 3: Cross multiply
    39,772.47x = 59,588.49 × 21,011.07
  4. Step 4: Simplify right side
    39,772.47x = 1,252,017,934.58
  5. Step 5: Solve for x
    x = 1,252,017,934.58/39,772.47
  6. Step 6: Final answer
    x = 31,479.51

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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.