Home / 67,015.10-100,599.45-39,328.70

Finding the Fourth Proportional to 67,015.10, 100,599.45 and 39,328.70

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Solution

The fourth proportional to 67,015.10, 100,599.45 and 39,328.70 is: 59,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.10 : 100,599.45 = 39,328.70 : x
  2. Step 2: Convert to fraction form
    67,015.10/100,599.45 = 39,328.70/x
  3. Step 3: Cross multiply
    67,015.10x = 100,599.45 × 39,328.70
  4. Step 4: Simplify right side
    67,015.10x = 3,956,445,589.22
  5. Step 5: Solve for x
    x = 3,956,445,589.22/67,015.10
  6. Step 6: Final answer
    x = 59,038.12

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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.