Home / 84,429.10-126,643.65-22,099.60

Finding the Fourth Proportional to 84,429.10, 126,643.65 and 22,099.60

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Solution

The fourth proportional to 84,429.10, 126,643.65 and 22,099.60 is: 33,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,429.10 : 126,643.65 = 22,099.60 : x
  2. Step 2: Convert to fraction form
    84,429.10/126,643.65 = 22,099.60/x
  3. Step 3: Cross multiply
    84,429.10x = 126,643.65 × 22,099.60
  4. Step 4: Simplify right side
    84,429.10x = 2,798,774,007.54
  5. Step 5: Solve for x
    x = 2,798,774,007.54/84,429.10
  6. Step 6: Final answer
    x = 33,149.40

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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.