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Finding the Fourth Proportional to 30,505.91, 45,551.21 and 26,918.12

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Solution

The fourth proportional to 30,505.91, 45,551.21 and 26,918.12 is: 40,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505.91 : 45,551.21 = 26,918.12 : x
  2. Step 2: Convert to fraction form
    30,505.91/45,551.21 = 26,918.12/x
  3. Step 3: Cross multiply
    30,505.91x = 45,551.21 × 26,918.12
  4. Step 4: Simplify right side
    30,505.91x = 1,226,152,574.58
  5. Step 5: Solve for x
    x = 1,226,152,574.58/30,505.91
  6. Step 6: Final answer
    x = 40,193.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.