Home / 30,439.23-42,018.56-26,173.16

Finding the Fourth Proportional to 30,439.23, 42,018.56 and 26,173.16

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Solution

The fourth proportional to 30,439.23, 42,018.56 and 26,173.16 is: 36,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439.23 : 42,018.56 = 26,173.16 : x
  2. Step 2: Convert to fraction form
    30,439.23/42,018.56 = 26,173.16/x
  3. Step 3: Cross multiply
    30,439.23x = 42,018.56 × 26,173.16
  4. Step 4: Simplify right side
    30,439.23x = 1,099,758,493.85
  5. Step 5: Solve for x
    x = 1,099,758,493.85/30,439.23
  6. Step 6: Final answer
    x = 36,129.64

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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.