Home / 31,937.58-47,926.88-21,419.49

Finding the Fourth Proportional to 31,937.58, 47,926.88 and 21,419.49

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Solution

The fourth proportional to 31,937.58, 47,926.88 and 21,419.49 is: 32,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.58 : 47,926.88 = 21,419.49 : x
  2. Step 2: Convert to fraction form
    31,937.58/47,926.88 = 21,419.49/x
  3. Step 3: Cross multiply
    31,937.58x = 47,926.88 × 21,419.49
  4. Step 4: Simplify right side
    31,937.58x = 1,026,569,219.79
  5. Step 5: Solve for x
    x = 1,026,569,219.79/31,937.58
  6. Step 6: Final answer
    x = 32,142.99

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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.