Home / 39,530.78-59,319.56-14,588.20

Finding the Fourth Proportional to 39,530.78, 59,319.56 and 14,588.20

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Solution

The fourth proportional to 39,530.78, 59,319.56 and 14,588.20 is: 21,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.78 : 59,319.56 = 14,588.20 : x
  2. Step 2: Convert to fraction form
    39,530.78/59,319.56 = 14,588.20/x
  3. Step 3: Cross multiply
    39,530.78x = 59,319.56 × 14,588.20
  4. Step 4: Simplify right side
    39,530.78x = 865,365,300.08
  5. Step 5: Solve for x
    x = 865,365,300.08/39,530.78
  6. Step 6: Final answer
    x = 21,890.92

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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.