Home / 39,785.04-59,667.12-21,039.84

Finding the Fourth Proportional to 39,785.04, 59,667.12 and 21,039.84

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Solution

The fourth proportional to 39,785.04, 59,667.12 and 21,039.84 is: 31,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,785.04 : 59,667.12 = 21,039.84 : x
  2. Step 2: Convert to fraction form
    39,785.04/59,667.12 = 21,039.84/x
  3. Step 3: Cross multiply
    39,785.04x = 59,667.12 × 21,039.84
  4. Step 4: Simplify right side
    39,785.04x = 1,255,386,658.06
  5. Step 5: Solve for x
    x = 1,255,386,658.06/39,785.04
  6. Step 6: Final answer
    x = 31,554.24

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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.