Home / 30,156.04-45,173.58-15,364.36

Finding the Fourth Proportional to 30,156.04, 45,173.58 and 15,364.36

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Solution

The fourth proportional to 30,156.04, 45,173.58 and 15,364.36 is: 23,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.04 : 45,173.58 = 15,364.36 : x
  2. Step 2: Convert to fraction form
    30,156.04/45,173.58 = 15,364.36/x
  3. Step 3: Cross multiply
    30,156.04x = 45,173.58 × 15,364.36
  4. Step 4: Simplify right side
    30,156.04x = 694,063,145.61
  5. Step 5: Solve for x
    x = 694,063,145.61/30,156.04
  6. Step 6: Final answer
    x = 23,015.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.