Home / 33,230.10-49,784.40-15,661.20

Finding the Fourth Proportional to 33,230.10, 49,784.40 and 15,661.20

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Solution

The fourth proportional to 33,230.10, 49,784.40 and 15,661.20 is: 23,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.10 : 49,784.40 = 15,661.20 : x
  2. Step 2: Convert to fraction form
    33,230.10/49,784.40 = 15,661.20/x
  3. Step 3: Cross multiply
    33,230.10x = 49,784.40 × 15,661.20
  4. Step 4: Simplify right side
    33,230.10x = 779,683,445.28
  5. Step 5: Solve for x
    x = 779,683,445.28/33,230.10
  6. Step 6: Final answer
    x = 23,463.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.