Home / 30,287.11-45,420.96-10,020.10

Finding the Fourth Proportional to 30,287.11, 45,420.96 and 10,020.10

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Solution

The fourth proportional to 30,287.11, 45,420.96 and 10,020.10 is: 15,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.11 : 45,420.96 = 10,020.10 : x
  2. Step 2: Convert to fraction form
    30,287.11/45,420.96 = 10,020.10/x
  3. Step 3: Cross multiply
    30,287.11x = 45,420.96 × 10,020.10
  4. Step 4: Simplify right side
    30,287.11x = 455,122,561.30
  5. Step 5: Solve for x
    x = 455,122,561.30/30,287.11
  6. Step 6: Final answer
    x = 15,026.94

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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.