Home / 47,274.18-70,905.78-19,165.74

Finding the Fourth Proportional to 47,274.18, 70,905.78 and 19,165.74

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Solution

The fourth proportional to 47,274.18, 70,905.78 and 19,165.74 is: 28,746.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.18 : 70,905.78 = 19,165.74 : x
  2. Step 2: Convert to fraction form
    47,274.18/70,905.78 = 19,165.74/x
  3. Step 3: Cross multiply
    47,274.18x = 70,905.78 × 19,165.74
  4. Step 4: Simplify right side
    47,274.18x = 1,358,961,743.98
  5. Step 5: Solve for x
    x = 1,358,961,743.98/47,274.18
  6. Step 6: Final answer
    x = 28,746.38

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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.