Home / 30,957.16-42,720.07-17,529.73

Finding the Fourth Proportional to 30,957.16, 42,720.07 and 17,529.73

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Solution

The fourth proportional to 30,957.16, 42,720.07 and 17,529.73 is: 24,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,957.16 : 42,720.07 = 17,529.73 : x
  2. Step 2: Convert to fraction form
    30,957.16/42,720.07 = 17,529.73/x
  3. Step 3: Cross multiply
    30,957.16x = 42,720.07 × 17,529.73
  4. Step 4: Simplify right side
    30,957.16x = 748,871,292.68
  5. Step 5: Solve for x
    x = 748,871,292.68/30,957.16
  6. Step 6: Final answer
    x = 24,190.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.