Home / 39,090.90-58,635.80-9,508.79

Finding the Fourth Proportional to 39,090.90, 58,635.80 and 9,508.79

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Solution

The fourth proportional to 39,090.90, 58,635.80 and 9,508.79 is: 14,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.90 : 58,635.80 = 9,508.79 : x
  2. Step 2: Convert to fraction form
    39,090.90/58,635.80 = 9,508.79/x
  3. Step 3: Cross multiply
    39,090.90x = 58,635.80 × 9,508.79
  4. Step 4: Simplify right side
    39,090.90x = 557,555,643.39
  5. Step 5: Solve for x
    x = 557,555,643.39/39,090.90
  6. Step 6: Final answer
    x = 14,263.05

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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.