Home / 40,068.78-60,098.58-10,489.48

Finding the Fourth Proportional to 40,068.78, 60,098.58 and 10,489.48

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Solution

The fourth proportional to 40,068.78, 60,098.58 and 10,489.48 is: 15,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,068.78 : 60,098.58 = 10,489.48 : x
  2. Step 2: Convert to fraction form
    40,068.78/60,098.58 = 10,489.48/x
  3. Step 3: Cross multiply
    40,068.78x = 60,098.58 × 10,489.48
  4. Step 4: Simplify right side
    40,068.78x = 630,402,852.94
  5. Step 5: Solve for x
    x = 630,402,852.94/40,068.78
  6. Step 6: Final answer
    x = 15,733.02

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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.