Home / 30,000.20-45,002.76-10,273.46

Finding the Fourth Proportional to 30,000.20, 45,002.76 and 10,273.46

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Solution

The fourth proportional to 30,000.20, 45,002.76 and 10,273.46 is: 15,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.20 : 45,002.76 = 10,273.46 : x
  2. Step 2: Convert to fraction form
    30,000.20/45,002.76 = 10,273.46/x
  3. Step 3: Cross multiply
    30,000.20x = 45,002.76 × 10,273.46
  4. Step 4: Simplify right side
    30,000.20x = 462,334,054.75
  5. Step 5: Solve for x
    x = 462,334,054.75/30,000.20
  6. Step 6: Final answer
    x = 15,411.03

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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.