Home / 39,530.12-59,318.46-14,587.72

Finding the Fourth Proportional to 39,530.12, 59,318.46 and 14,587.72

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Solution

The fourth proportional to 39,530.12, 59,318.46 and 14,587.72 is: 21,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.12 : 59,318.46 = 14,587.72 : x
  2. Step 2: Convert to fraction form
    39,530.12/59,318.46 = 14,587.72/x
  3. Step 3: Cross multiply
    39,530.12x = 59,318.46 × 14,587.72
  4. Step 4: Simplify right side
    39,530.12x = 865,321,085.31
  5. Step 5: Solve for x
    x = 865,321,085.31/39,530.12
  6. Step 6: Final answer
    x = 21,890.17

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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.