Home / 47,337.64-70,988.74-20,316.57

Finding the Fourth Proportional to 47,337.64, 70,988.74 and 20,316.57

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Solution

The fourth proportional to 47,337.64, 70,988.74 and 20,316.57 is: 30,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,337.64 : 70,988.74 = 20,316.57 : x
  2. Step 2: Convert to fraction form
    47,337.64/70,988.74 = 20,316.57/x
  3. Step 3: Cross multiply
    47,337.64x = 70,988.74 × 20,316.57
  4. Step 4: Simplify right side
    47,337.64x = 1,442,247,787.73
  5. Step 5: Solve for x
    x = 1,442,247,787.73/47,337.64
  6. Step 6: Final answer
    x = 30,467.25

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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.