Home / 42,078.81-63,202.29-26,311.89

Finding the Fourth Proportional to 42,078.81, 63,202.29 and 26,311.89

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Solution

The fourth proportional to 42,078.81, 63,202.29 and 26,311.89 is: 39,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,078.81 : 63,202.29 = 26,311.89 : x
  2. Step 2: Convert to fraction form
    42,078.81/63,202.29 = 26,311.89/x
  3. Step 3: Cross multiply
    42,078.81x = 63,202.29 × 26,311.89
  4. Step 4: Simplify right side
    42,078.81x = 1,662,971,702.23
  5. Step 5: Solve for x
    x = 1,662,971,702.23/42,078.81
  6. Step 6: Final answer
    x = 39,520.41

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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.