Home / 39,905.08-59,852.73-10,320.43

Finding the Fourth Proportional to 39,905.08, 59,852.73 and 10,320.43

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Solution

The fourth proportional to 39,905.08, 59,852.73 and 10,320.43 is: 15,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.08 : 59,852.73 = 10,320.43 : x
  2. Step 2: Convert to fraction form
    39,905.08/59,852.73 = 10,320.43/x
  3. Step 3: Cross multiply
    39,905.08x = 59,852.73 × 10,320.43
  4. Step 4: Simplify right side
    39,905.08x = 617,705,910.27
  5. Step 5: Solve for x
    x = 617,705,910.27/39,905.08
  6. Step 6: Final answer
    x = 15,479.38

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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.