Home / 39,103.46-58,649.25-12,807.62

Finding the Fourth Proportional to 39,103.46, 58,649.25 and 12,807.62

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Solution

The fourth proportional to 39,103.46, 58,649.25 and 12,807.62 is: 19,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,103.46 : 58,649.25 = 12,807.62 : x
  2. Step 2: Convert to fraction form
    39,103.46/58,649.25 = 12,807.62/x
  3. Step 3: Cross multiply
    39,103.46x = 58,649.25 × 12,807.62
  4. Step 4: Simplify right side
    39,103.46x = 751,157,307.29
  5. Step 5: Solve for x
    x = 751,157,307.29/39,103.46
  6. Step 6: Final answer
    x = 19,209.48

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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.