Home / 30,480.86-42,065.41-17,052.19

Finding the Fourth Proportional to 30,480.86, 42,065.41 and 17,052.19

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Solution

The fourth proportional to 30,480.86, 42,065.41 and 17,052.19 is: 23,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.86 : 42,065.41 = 17,052.19 : x
  2. Step 2: Convert to fraction form
    30,480.86/42,065.41 = 17,052.19/x
  3. Step 3: Cross multiply
    30,480.86x = 42,065.41 × 17,052.19
  4. Step 4: Simplify right side
    30,480.86x = 717,307,247.93
  5. Step 5: Solve for x
    x = 717,307,247.93/30,480.86
  6. Step 6: Final answer
    x = 23,533.04

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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.