Home / 74,416.32-111,607.20-21,811.68

Finding the Fourth Proportional to 74,416.32, 111,607.20 and 21,811.68

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Solution

The fourth proportional to 74,416.32, 111,607.20 and 21,811.68 is: 32,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.32 : 111,607.20 = 21,811.68 : x
  2. Step 2: Convert to fraction form
    74,416.32/111,607.20 = 21,811.68/x
  3. Step 3: Cross multiply
    74,416.32x = 111,607.20 × 21,811.68
  4. Step 4: Simplify right side
    74,416.32x = 2,434,340,532.10
  5. Step 5: Solve for x
    x = 2,434,340,532.10/74,416.32
  6. Step 6: Final answer
    x = 32,712.46

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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.