Home / 49,518.48-74,300.40-21,447.12

Finding the Fourth Proportional to 49,518.48, 74,300.40 and 21,447.12

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Solution

The fourth proportional to 49,518.48, 74,300.40 and 21,447.12 is: 32,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,518.48 : 74,300.40 = 21,447.12 : x
  2. Step 2: Convert to fraction form
    49,518.48/74,300.40 = 21,447.12/x
  3. Step 3: Cross multiply
    49,518.48x = 74,300.40 × 21,447.12
  4. Step 4: Simplify right side
    49,518.48x = 1,593,529,594.85
  5. Step 5: Solve for x
    x = 1,593,529,594.85/49,518.48
  6. Step 6: Final answer
    x = 32,180.50

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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.