Home / 34,323.18-47,366.89-19,215.78

Finding the Fourth Proportional to 34,323.18, 47,366.89 and 19,215.78

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Solution

The fourth proportional to 34,323.18, 47,366.89 and 19,215.78 is: 26,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,323.18 : 47,366.89 = 19,215.78 : x
  2. Step 2: Convert to fraction form
    34,323.18/47,366.89 = 19,215.78/x
  3. Step 3: Cross multiply
    34,323.18x = 47,366.89 × 19,215.78
  4. Step 4: Simplify right side
    34,323.18x = 910,191,737.52
  5. Step 5: Solve for x
    x = 910,191,737.52/34,323.18
  6. Step 6: Final answer
    x = 26,518.28

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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.