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Finding the Fourth Proportional to 40,328.60, 60,492.90 and 32,941.40

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Solution

The fourth proportional to 40,328.60, 60,492.90 and 32,941.40 is: 49,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.60 : 60,492.90 = 32,941.40 : x
  2. Step 2: Convert to fraction form
    40,328.60/60,492.90 = 32,941.40/x
  3. Step 3: Cross multiply
    40,328.60x = 60,492.90 × 32,941.40
  4. Step 4: Simplify right side
    40,328.60x = 1,992,720,816.06
  5. Step 5: Solve for x
    x = 1,992,720,816.06/40,328.60
  6. Step 6: Final answer
    x = 49,412.10

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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.