Home / 47,015.50-70,520.64-34,378.20

Finding the Fourth Proportional to 47,015.50, 70,520.64 and 34,378.20

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Solution

The fourth proportional to 47,015.50, 70,520.64 and 34,378.20 is: 51,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,015.50 : 70,520.64 = 34,378.20 : x
  2. Step 2: Convert to fraction form
    47,015.50/70,520.64 = 34,378.20/x
  3. Step 3: Cross multiply
    47,015.50x = 70,520.64 × 34,378.20
  4. Step 4: Simplify right side
    47,015.50x = 2,424,372,666.05
  5. Step 5: Solve for x
    x = 2,424,372,666.05/47,015.50
  6. Step 6: Final answer
    x = 51,565.39

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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.