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Finding the Fourth Proportional to 44,347.42, 66,485.80 and 25,606.20

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Solution

The fourth proportional to 44,347.42, 66,485.80 and 25,606.20 is: 38,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,347.42 : 66,485.80 = 25,606.20 : x
  2. Step 2: Convert to fraction form
    44,347.42/66,485.80 = 25,606.20/x
  3. Step 3: Cross multiply
    44,347.42x = 66,485.80 × 25,606.20
  4. Step 4: Simplify right side
    44,347.42x = 1,702,448,627.94
  5. Step 5: Solve for x
    x = 1,702,448,627.94/44,347.42
  6. Step 6: Final answer
    x = 38,388.90

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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.