Home / 39,319.80-58,987.89-13,026.60

Finding the Fourth Proportional to 39,319.80, 58,987.89 and 13,026.60

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Solution

The fourth proportional to 39,319.80, 58,987.89 and 13,026.60 is: 19,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.80 : 58,987.89 = 13,026.60 : x
  2. Step 2: Convert to fraction form
    39,319.80/58,987.89 = 13,026.60/x
  3. Step 3: Cross multiply
    39,319.80x = 58,987.89 × 13,026.60
  4. Step 4: Simplify right side
    39,319.80x = 768,411,647.87
  5. Step 5: Solve for x
    x = 768,411,647.87/39,319.80
  6. Step 6: Final answer
    x = 19,542.61

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1.5x scale

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.