Home / 39,878.05-59,817.30-10,293.86

Finding the Fourth Proportional to 39,878.05, 59,817.30 and 10,293.86

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Solution

The fourth proportional to 39,878.05, 59,817.30 and 10,293.86 is: 15,440.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.05 : 59,817.30 = 10,293.86 : x
  2. Step 2: Convert to fraction form
    39,878.05/59,817.30 = 10,293.86/x
  3. Step 3: Cross multiply
    39,878.05x = 59,817.30 × 10,293.86
  4. Step 4: Simplify right side
    39,878.05x = 615,750,911.78
  5. Step 5: Solve for x
    x = 615,750,911.78/39,878.05
  6. Step 6: Final answer
    x = 15,440.85

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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.