Home / 60,460.22-90,638.39-21,012.21

Finding the Fourth Proportional to 60,460.22, 90,638.39 and 21,012.21

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Solution

The fourth proportional to 60,460.22, 90,638.39 and 21,012.21 is: 31,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,460.22 : 90,638.39 = 21,012.21 : x
  2. Step 2: Convert to fraction form
    60,460.22/90,638.39 = 21,012.21/x
  3. Step 3: Cross multiply
    60,460.22x = 90,638.39 × 21,012.21
  4. Step 4: Simplify right side
    60,460.22x = 1,904,512,937.27
  5. Step 5: Solve for x
    x = 1,904,512,937.27/60,460.22
  6. Step 6: Final answer
    x = 31,500.26

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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.