Home / 34,854.91-48,100.06-18,939.36

Finding the Fourth Proportional to 34,854.91, 48,100.06 and 18,939.36

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Solution

The fourth proportional to 34,854.91, 48,100.06 and 18,939.36 is: 26,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,854.91 : 48,100.06 = 18,939.36 : x
  2. Step 2: Convert to fraction form
    34,854.91/48,100.06 = 18,939.36/x
  3. Step 3: Cross multiply
    34,854.91x = 48,100.06 × 18,939.36
  4. Step 4: Simplify right side
    34,854.91x = 910,984,111.86
  5. Step 5: Solve for x
    x = 910,984,111.86/34,854.91
  6. Step 6: Final answer
    x = 26,136.47

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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.