Home / 30,816.35-42,525.87-17,387.26

Finding the Fourth Proportional to 30,816.35, 42,525.87 and 17,387.26

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Solution

The fourth proportional to 30,816.35, 42,525.87 and 17,387.26 is: 23,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816.35 : 42,525.87 = 17,387.26 : x
  2. Step 2: Convert to fraction form
    30,816.35/42,525.87 = 17,387.26/x
  3. Step 3: Cross multiply
    30,816.35x = 42,525.87 × 17,387.26
  4. Step 4: Simplify right side
    30,816.35x = 739,408,186.90
  5. Step 5: Solve for x
    x = 739,408,186.90/30,816.35
  6. Step 6: Final answer
    x = 23,994.02

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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.