Home / 34,774.72-47,988.55-19,666.82

Finding the Fourth Proportional to 34,774.72, 47,988.55 and 19,666.82

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Solution

The fourth proportional to 34,774.72, 47,988.55 and 19,666.82 is: 27,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,774.72 : 47,988.55 = 19,666.82 : x
  2. Step 2: Convert to fraction form
    34,774.72/47,988.55 = 19,666.82/x
  3. Step 3: Cross multiply
    34,774.72x = 47,988.55 × 19,666.82
  4. Step 4: Simplify right side
    34,774.72x = 943,781,885.80
  5. Step 5: Solve for x
    x = 943,781,885.80/34,774.72
  6. Step 6: Final answer
    x = 27,139.89

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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.