Home / 60,828.08-91,214.32-18,693.48

Finding the Fourth Proportional to 60,828.08, 91,214.32 and 18,693.48

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Solution

The fourth proportional to 60,828.08, 91,214.32 and 18,693.48 is: 28,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,828.08 : 91,214.32 = 18,693.48 : x
  2. Step 2: Convert to fraction form
    60,828.08/91,214.32 = 18,693.48/x
  3. Step 3: Cross multiply
    60,828.08x = 91,214.32 × 18,693.48
  4. Step 4: Simplify right side
    60,828.08x = 1,705,113,397.00
  5. Step 5: Solve for x
    x = 1,705,113,397.00/60,828.08
  6. Step 6: Final answer
    x = 28,031.68

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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.