Home / 30,180.40-45,091.94-29,146.84

Finding the Fourth Proportional to 30,180.40, 45,091.94 and 29,146.84

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Solution

The fourth proportional to 30,180.40, 45,091.94 and 29,146.84 is: 43,547.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.40 : 45,091.94 = 29,146.84 : x
  2. Step 2: Convert to fraction form
    30,180.40/45,091.94 = 29,146.84/x
  3. Step 3: Cross multiply
    30,180.40x = 45,091.94 × 29,146.84
  4. Step 4: Simplify right side
    30,180.40x = 1,314,287,560.47
  5. Step 5: Solve for x
    x = 1,314,287,560.47/30,180.40
  6. Step 6: Final answer
    x = 43,547.72

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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.