Home / 31,914.05-47,898.68-31,840.20

Finding the Fourth Proportional to 31,914.05, 47,898.68 and 31,840.20

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Solution

The fourth proportional to 31,914.05, 47,898.68 and 31,840.20 is: 47,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.05 : 47,898.68 = 31,840.20 : x
  2. Step 2: Convert to fraction form
    31,914.05/47,898.68 = 31,840.20/x
  3. Step 3: Cross multiply
    31,914.05x = 47,898.68 × 31,840.20
  4. Step 4: Simplify right side
    31,914.05x = 1,525,103,391.74
  5. Step 5: Solve for x
    x = 1,525,103,391.74/31,914.05
  6. Step 6: Final answer
    x = 47,787.84

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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.