Home / 31,095.59-42,911.91-16,948.44

Finding the Fourth Proportional to 31,095.59, 42,911.91 and 16,948.44

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Solution

The fourth proportional to 31,095.59, 42,911.91 and 16,948.44 is: 23,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095.59 : 42,911.91 = 16,948.44 : x
  2. Step 2: Convert to fraction form
    31,095.59/42,911.91 = 16,948.44/x
  3. Step 3: Cross multiply
    31,095.59x = 42,911.91 × 16,948.44
  4. Step 4: Simplify right side
    31,095.59x = 727,289,931.92
  5. Step 5: Solve for x
    x = 727,289,931.92/31,095.59
  6. Step 6: Final answer
    x = 23,388.85

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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.