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Finding the Fourth Proportional to 44,505.87, 66,750.30 and 13,341.12

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Solution

The fourth proportional to 44,505.87, 66,750.30 and 13,341.12 is: 20,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,505.87 : 66,750.30 = 13,341.12 : x
  2. Step 2: Convert to fraction form
    44,505.87/66,750.30 = 13,341.12/x
  3. Step 3: Cross multiply
    44,505.87x = 66,750.30 × 13,341.12
  4. Step 4: Simplify right side
    44,505.87x = 890,523,762.34
  5. Step 5: Solve for x
    x = 890,523,762.34/44,505.87
  6. Step 6: Final answer
    x = 20,009.13

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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.