Home / 34,276-47,298.90-18,961.62

Finding the Fourth Proportional to 34,276, 47,298.90 and 18,961.62

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Solution

The fourth proportional to 34,276, 47,298.90 and 18,961.62 is: 26,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,276 : 47,298.90 = 18,961.62 : x
  2. Step 2: Convert to fraction form
    34,276/47,298.90 = 18,961.62/x
  3. Step 3: Cross multiply
    34,276x = 47,298.90 × 18,961.62
  4. Step 4: Simplify right side
    34,276x = 896,863,768.22
  5. Step 5: Solve for x
    x = 896,863,768.22/34,276
  6. Step 6: Final answer
    x = 26,165.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.