Home / 33,237.60-49,807.80-28,280.40

Finding the Fourth Proportional to 33,237.60, 49,807.80 and 28,280.40

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Solution

The fourth proportional to 33,237.60, 49,807.80 and 28,280.40 is: 42,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,237.60 : 49,807.80 = 28,280.40 : x
  2. Step 2: Convert to fraction form
    33,237.60/49,807.80 = 28,280.40/x
  3. Step 3: Cross multiply
    33,237.60x = 49,807.80 × 28,280.40
  4. Step 4: Simplify right side
    33,237.60x = 1,408,584,507.12
  5. Step 5: Solve for x
    x = 1,408,584,507.12/33,237.60
  6. Step 6: Final answer
    x = 42,379.25

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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.