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Finding the Fourth Proportional to 32,079.70, 48,127.74 and 13,353.51

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Solution

The fourth proportional to 32,079.70, 48,127.74 and 13,353.51 is: 20,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,079.70 : 48,127.74 = 13,353.51 : x
  2. Step 2: Convert to fraction form
    32,079.70/48,127.74 = 13,353.51/x
  3. Step 3: Cross multiply
    32,079.70x = 48,127.74 × 13,353.51
  4. Step 4: Simplify right side
    32,079.70x = 642,674,117.05
  5. Step 5: Solve for x
    x = 642,674,117.05/32,079.70
  6. Step 6: Final answer
    x = 20,033.67

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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.