Home / 39,088.80-58,615.92-11,388.96

Finding the Fourth Proportional to 39,088.80, 58,615.92 and 11,388.96

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Solution

The fourth proportional to 39,088.80, 58,615.92 and 11,388.96 is: 17,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.80 : 58,615.92 = 11,388.96 : x
  2. Step 2: Convert to fraction form
    39,088.80/58,615.92 = 11,388.96/x
  3. Step 3: Cross multiply
    39,088.80x = 58,615.92 × 11,388.96
  4. Step 4: Simplify right side
    39,088.80x = 667,574,368.24
  5. Step 5: Solve for x
    x = 667,574,368.24/39,088.80
  6. Step 6: Final answer
    x = 17,078.41

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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.