Home / 47,930.84-66,145.03-26,421.42

Finding the Fourth Proportional to 47,930.84, 66,145.03 and 26,421.42

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Solution

The fourth proportional to 47,930.84, 66,145.03 and 26,421.42 is: 36,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930.84 : 66,145.03 = 26,421.42 : x
  2. Step 2: Convert to fraction form
    47,930.84/66,145.03 = 26,421.42/x
  3. Step 3: Cross multiply
    47,930.84x = 66,145.03 × 26,421.42
  4. Step 4: Simplify right side
    47,930.84x = 1,747,645,428.47
  5. Step 5: Solve for x
    x = 1,747,645,428.47/47,930.84
  6. Step 6: Final answer
    x = 36,461.81

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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.