Home / 38,702.55-58,015.55-18,675.10

Finding the Fourth Proportional to 38,702.55, 58,015.55 and 18,675.10

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Solution

The fourth proportional to 38,702.55, 58,015.55 and 18,675.10 is: 27,994.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.55 : 58,015.55 = 18,675.10 : x
  2. Step 2: Convert to fraction form
    38,702.55/58,015.55 = 18,675.10/x
  3. Step 3: Cross multiply
    38,702.55x = 58,015.55 × 18,675.10
  4. Step 4: Simplify right side
    38,702.55x = 1,083,446,099.45
  5. Step 5: Solve for x
    x = 1,083,446,099.45/38,702.55
  6. Step 6: Final answer
    x = 27,994.18

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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.