Home / 30,022.16-45,008.93-12,505.10

Finding the Fourth Proportional to 30,022.16, 45,008.93 and 12,505.10

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Solution

The fourth proportional to 30,022.16, 45,008.93 and 12,505.10 is: 18,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.16 : 45,008.93 = 12,505.10 : x
  2. Step 2: Convert to fraction form
    30,022.16/45,008.93 = 12,505.10/x
  3. Step 3: Cross multiply
    30,022.16x = 45,008.93 × 12,505.10
  4. Step 4: Simplify right side
    30,022.16x = 562,840,882.97
  5. Step 5: Solve for x
    x = 562,840,882.97/30,022.16
  6. Step 6: Final answer
    x = 18,747.52

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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.