Home / 34,534.05-47,657.79-19,220.76

Finding the Fourth Proportional to 34,534.05, 47,657.79 and 19,220.76

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Solution

The fourth proportional to 34,534.05, 47,657.79 and 19,220.76 is: 26,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,534.05 : 47,657.79 = 19,220.76 : x
  2. Step 2: Convert to fraction form
    34,534.05/47,657.79 = 19,220.76/x
  3. Step 3: Cross multiply
    34,534.05x = 47,657.79 × 19,220.76
  4. Step 4: Simplify right side
    34,534.05x = 916,018,943.72
  5. Step 5: Solve for x
    x = 916,018,943.72/34,534.05
  6. Step 6: Final answer
    x = 26,525.09

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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.