Home / 34,774.62-47,988.36-19,666.77

Finding the Fourth Proportional to 34,774.62, 47,988.36 and 19,666.77

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Solution

The fourth proportional to 34,774.62, 47,988.36 and 19,666.77 is: 27,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,774.62 : 47,988.36 = 19,666.77 : x
  2. Step 2: Convert to fraction form
    34,774.62/47,988.36 = 19,666.77/x
  3. Step 3: Cross multiply
    34,774.62x = 47,988.36 × 19,666.77
  4. Step 4: Simplify right side
    34,774.62x = 943,776,038.80
  5. Step 5: Solve for x
    x = 943,776,038.80/34,774.62
  6. Step 6: Final answer
    x = 27,139.79

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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.