Home / 74,259.44-111,378.20-21,654.80

Finding the Fourth Proportional to 74,259.44, 111,378.20 and 21,654.80

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Solution

The fourth proportional to 74,259.44, 111,378.20 and 21,654.80 is: 32,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,259.44 : 111,378.20 = 21,654.80 : x
  2. Step 2: Convert to fraction form
    74,259.44/111,378.20 = 21,654.80/x
  3. Step 3: Cross multiply
    74,259.44x = 111,378.20 × 21,654.80
  4. Step 4: Simplify right side
    74,259.44x = 2,411,872,645.36
  5. Step 5: Solve for x
    x = 2,411,872,645.36/74,259.44
  6. Step 6: Final answer
    x = 32,479.00

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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.