Home / 39,200.07-58,807.40-12,906.66

Finding the Fourth Proportional to 39,200.07, 58,807.40 and 12,906.66

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Solution

The fourth proportional to 39,200.07, 58,807.40 and 12,906.66 is: 19,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.07 : 58,807.40 = 12,906.66 : x
  2. Step 2: Convert to fraction form
    39,200.07/58,807.40 = 12,906.66/x
  3. Step 3: Cross multiply
    39,200.07x = 58,807.40 × 12,906.66
  4. Step 4: Simplify right side
    39,200.07x = 759,007,117.28
  5. Step 5: Solve for x
    x = 759,007,117.28/39,200.07
  6. Step 6: Final answer
    x = 19,362.39

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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.