Home / 30,053.26-45,066.21-12,512.62

Finding the Fourth Proportional to 30,053.26, 45,066.21 and 12,512.62

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Solution

The fourth proportional to 30,053.26, 45,066.21 and 12,512.62 is: 18,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.26 : 45,066.21 = 12,512.62 : x
  2. Step 2: Convert to fraction form
    30,053.26/45,066.21 = 12,512.62/x
  3. Step 3: Cross multiply
    30,053.26x = 45,066.21 × 12,512.62
  4. Step 4: Simplify right side
    30,053.26x = 563,896,360.57
  5. Step 5: Solve for x
    x = 563,896,360.57/30,053.26
  6. Step 6: Final answer
    x = 18,763.23

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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.