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Finding the Fourth Proportional to 40,412.60, 60,608.10 and 14,114.60

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Solution

The fourth proportional to 40,412.60, 60,608.10 and 14,114.60 is: 21,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.60 : 60,608.10 = 14,114.60 : x
  2. Step 2: Convert to fraction form
    40,412.60/60,608.10 = 14,114.60/x
  3. Step 3: Cross multiply
    40,412.60x = 60,608.10 × 14,114.60
  4. Step 4: Simplify right side
    40,412.60x = 855,459,088.26
  5. Step 5: Solve for x
    x = 855,459,088.26/40,412.60
  6. Step 6: Final answer
    x = 21,168.13

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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.