Home / 50,508.91-69,710.51-30,386.13

Finding the Fourth Proportional to 50,508.91, 69,710.51 and 30,386.13

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Solution

The fourth proportional to 50,508.91, 69,710.51 and 30,386.13 is: 41,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,508.91 : 69,710.51 = 30,386.13 : x
  2. Step 2: Convert to fraction form
    50,508.91/69,710.51 = 30,386.13/x
  3. Step 3: Cross multiply
    50,508.91x = 69,710.51 × 30,386.13
  4. Step 4: Simplify right side
    50,508.91x = 2,118,232,619.23
  5. Step 5: Solve for x
    x = 2,118,232,619.23/50,508.91
  6. Step 6: Final answer
    x = 41,937.80

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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.