Home / 40,588.90-60,883.46-12,508.05

Finding the Fourth Proportional to 40,588.90, 60,883.46 and 12,508.05

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Solution

The fourth proportional to 40,588.90, 60,883.46 and 12,508.05 is: 18,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,588.90 : 60,883.46 = 12,508.05 : x
  2. Step 2: Convert to fraction form
    40,588.90/60,883.46 = 12,508.05/x
  3. Step 3: Cross multiply
    40,588.90x = 60,883.46 × 12,508.05
  4. Step 4: Simplify right side
    40,588.90x = 761,533,078.42
  5. Step 5: Solve for x
    x = 761,533,078.42/40,588.90
  6. Step 6: Final answer
    x = 18,762.10

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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.