Home / 30,848.04-42,571.16-17,421.31

Finding the Fourth Proportional to 30,848.04, 42,571.16 and 17,421.31

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Solution

The fourth proportional to 30,848.04, 42,571.16 and 17,421.31 is: 24,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,848.04 : 42,571.16 = 17,421.31 : x
  2. Step 2: Convert to fraction form
    30,848.04/42,571.16 = 17,421.31/x
  3. Step 3: Cross multiply
    30,848.04x = 42,571.16 × 17,421.31
  4. Step 4: Simplify right side
    30,848.04x = 741,645,375.42
  5. Step 5: Solve for x
    x = 741,645,375.42/30,848.04
  6. Step 6: Final answer
    x = 24,041.90

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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.