Home / 38,087.43-52,615.41-30,420.63

Finding the Fourth Proportional to 38,087.43, 52,615.41 and 30,420.63

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Solution

The fourth proportional to 38,087.43, 52,615.41 and 30,420.63 is: 42,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.43 : 52,615.41 = 30,420.63 : x
  2. Step 2: Convert to fraction form
    38,087.43/52,615.41 = 30,420.63/x
  3. Step 3: Cross multiply
    38,087.43x = 52,615.41 × 30,420.63
  4. Step 4: Simplify right side
    38,087.43x = 1,600,593,919.91
  5. Step 5: Solve for x
    x = 1,600,593,919.91/38,087.43
  6. Step 6: Final answer
    x = 42,024.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.