Home / 39,387.32-59,068.20-13,085

Finding the Fourth Proportional to 39,387.32, 59,068.20 and 13,085

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Solution

The fourth proportional to 39,387.32, 59,068.20 and 13,085 is: 19,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,387.32 : 59,068.20 = 13,085 : x
  2. Step 2: Convert to fraction form
    39,387.32/59,068.20 = 13,085/x
  3. Step 3: Cross multiply
    39,387.32x = 59,068.20 × 13,085
  4. Step 4: Simplify right side
    39,387.32x = 772,907,397
  5. Step 5: Solve for x
    x = 772,907,397/39,387.32
  6. Step 6: Final answer
    x = 19,623.25

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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.