Home / 39,705.19-59,557.78-12,003.19

Finding the Fourth Proportional to 39,705.19, 59,557.78 and 12,003.19

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Solution

The fourth proportional to 39,705.19, 59,557.78 and 12,003.19 is: 18,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.19 : 59,557.78 = 12,003.19 : x
  2. Step 2: Convert to fraction form
    39,705.19/59,557.78 = 12,003.19/x
  3. Step 3: Cross multiply
    39,705.19x = 59,557.78 × 12,003.19
  4. Step 4: Simplify right side
    39,705.19x = 714,883,215.43
  5. Step 5: Solve for x
    x = 714,883,215.43/39,705.19
  6. Step 6: Final answer
    x = 18,004.78

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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.