Home / 48,421.19-72,635.96-13,360.84

Finding the Fourth Proportional to 48,421.19, 72,635.96 and 13,360.84

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Solution

The fourth proportional to 48,421.19, 72,635.96 and 13,360.84 is: 20,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.19 : 72,635.96 = 13,360.84 : x
  2. Step 2: Convert to fraction form
    48,421.19/72,635.96 = 13,360.84/x
  3. Step 3: Cross multiply
    48,421.19x = 72,635.96 × 13,360.84
  4. Step 4: Simplify right side
    48,421.19x = 970,477,439.81
  5. Step 5: Solve for x
    x = 970,477,439.81/48,421.19
  6. Step 6: Final answer
    x = 20,042.41

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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.