Home / 39,003.79-58,504.80-12,708.35

Finding the Fourth Proportional to 39,003.79, 58,504.80 and 12,708.35

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Solution

The fourth proportional to 39,003.79, 58,504.80 and 12,708.35 is: 19,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.79 : 58,504.80 = 12,708.35 : x
  2. Step 2: Convert to fraction form
    39,003.79/58,504.80 = 12,708.35/x
  3. Step 3: Cross multiply
    39,003.79x = 58,504.80 × 12,708.35
  4. Step 4: Simplify right side
    39,003.79x = 743,499,475.08
  5. Step 5: Solve for x
    x = 743,499,475.08/39,003.79
  6. Step 6: Final answer
    x = 19,062.24

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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.