Home / 39,889.54-59,813.15-11,805.74

Finding the Fourth Proportional to 39,889.54, 59,813.15 and 11,805.74

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Solution

The fourth proportional to 39,889.54, 59,813.15 and 11,805.74 is: 17,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889.54 : 59,813.15 = 11,805.74 : x
  2. Step 2: Convert to fraction form
    39,889.54/59,813.15 = 11,805.74/x
  3. Step 3: Cross multiply
    39,889.54x = 59,813.15 × 11,805.74
  4. Step 4: Simplify right side
    39,889.54x = 706,138,497.48
  5. Step 5: Solve for x
    x = 706,138,497.48/39,889.54
  6. Step 6: Final answer
    x = 17,702.35

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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.