Home / 70,330.43-105,494.63-17,739.56

Finding the Fourth Proportional to 70,330.43, 105,494.63 and 17,739.56

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Solution

The fourth proportional to 70,330.43, 105,494.63 and 17,739.56 is: 26,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,330.43 : 105,494.63 = 17,739.56 : x
  2. Step 2: Convert to fraction form
    70,330.43/105,494.63 = 17,739.56/x
  3. Step 3: Cross multiply
    70,330.43x = 105,494.63 × 17,739.56
  4. Step 4: Simplify right side
    70,330.43x = 1,871,427,702.39
  5. Step 5: Solve for x
    x = 1,871,427,702.39/70,330.43
  6. Step 6: Final answer
    x = 26,609.08

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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.