Home / 30,035.04-45,036.36-15,234.72

Finding the Fourth Proportional to 30,035.04, 45,036.36 and 15,234.72

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Solution

The fourth proportional to 30,035.04, 45,036.36 and 15,234.72 is: 22,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,035.04 : 45,036.36 = 15,234.72 : x
  2. Step 2: Convert to fraction form
    30,035.04/45,036.36 = 15,234.72/x
  3. Step 3: Cross multiply
    30,035.04x = 45,036.36 × 15,234.72
  4. Step 4: Simplify right side
    30,035.04x = 686,116,334.42
  5. Step 5: Solve for x
    x = 686,116,334.42/30,035.04
  6. Step 6: Final answer
    x = 22,843.86

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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.