Home / 45,948.68-63,433.26-30,920.36

Finding the Fourth Proportional to 45,948.68, 63,433.26 and 30,920.36

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Solution

The fourth proportional to 45,948.68, 63,433.26 and 30,920.36 is: 42,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948.68 : 63,433.26 = 30,920.36 : x
  2. Step 2: Convert to fraction form
    45,948.68/63,433.26 = 30,920.36/x
  3. Step 3: Cross multiply
    45,948.68x = 63,433.26 × 30,920.36
  4. Step 4: Simplify right side
    45,948.68x = 1,961,379,235.17
  5. Step 5: Solve for x
    x = 1,961,379,235.17/45,948.68
  6. Step 6: Final answer
    x = 42,686.30

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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.