Home / 34,451.43-47,539.32-19,345.74

Finding the Fourth Proportional to 34,451.43, 47,539.32 and 19,345.74

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Solution

The fourth proportional to 34,451.43, 47,539.32 and 19,345.74 is: 26,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.43 : 47,539.32 = 19,345.74 : x
  2. Step 2: Convert to fraction form
    34,451.43/47,539.32 = 19,345.74/x
  3. Step 3: Cross multiply
    34,451.43x = 47,539.32 × 19,345.74
  4. Step 4: Simplify right side
    34,451.43x = 919,683,324.50
  5. Step 5: Solve for x
    x = 919,683,324.50/34,451.43
  6. Step 6: Final answer
    x = 26,695.07

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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.