Home / 34,478.22-47,579.28-19,370.91

Finding the Fourth Proportional to 34,478.22, 47,579.28 and 19,370.91

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Solution

The fourth proportional to 34,478.22, 47,579.28 and 19,370.91 is: 26,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,478.22 : 47,579.28 = 19,370.91 : x
  2. Step 2: Convert to fraction form
    34,478.22/47,579.28 = 19,370.91/x
  3. Step 3: Cross multiply
    34,478.22x = 47,579.28 × 19,370.91
  4. Step 4: Simplify right side
    34,478.22x = 921,653,950.74
  5. Step 5: Solve for x
    x = 921,653,950.74/34,478.22
  6. Step 6: Final answer
    x = 26,731.48

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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.