Home / 47,137.41-70,532.78-28,429.11

Finding the Fourth Proportional to 47,137.41, 70,532.78 and 28,429.11

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Solution

The fourth proportional to 47,137.41, 70,532.78 and 28,429.11 is: 42,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.41 : 70,532.78 = 28,429.11 : x
  2. Step 2: Convert to fraction form
    47,137.41/70,532.78 = 28,429.11/x
  3. Step 3: Cross multiply
    47,137.41x = 70,532.78 × 28,429.11
  4. Step 4: Simplify right side
    47,137.41x = 2,005,184,019.08
  5. Step 5: Solve for x
    x = 2,005,184,019.08/47,137.41
  6. Step 6: Final answer
    x = 42,539.12

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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.