Home / 30,126.96-45,160.37-10,392.93

Finding the Fourth Proportional to 30,126.96, 45,160.37 and 10,392.93

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Solution

The fourth proportional to 30,126.96, 45,160.37 and 10,392.93 is: 15,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.96 : 45,160.37 = 10,392.93 : x
  2. Step 2: Convert to fraction form
    30,126.96/45,160.37 = 10,392.93/x
  3. Step 3: Cross multiply
    30,126.96x = 45,160.37 × 10,392.93
  4. Step 4: Simplify right side
    30,126.96x = 469,348,512.22
  5. Step 5: Solve for x
    x = 469,348,512.22/30,126.96
  6. Step 6: Final answer
    x = 15,579.02

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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.