Home / 40,638.16-60,961.34-15,331.32

Finding the Fourth Proportional to 40,638.16, 60,961.34 and 15,331.32

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Solution

The fourth proportional to 40,638.16, 60,961.34 and 15,331.32 is: 22,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.16 : 60,961.34 = 15,331.32 : x
  2. Step 2: Convert to fraction form
    40,638.16/60,961.34 = 15,331.32/x
  3. Step 3: Cross multiply
    40,638.16x = 60,961.34 × 15,331.32
  4. Step 4: Simplify right side
    40,638.16x = 934,617,734.51
  5. Step 5: Solve for x
    x = 934,617,734.51/40,638.16
  6. Step 6: Final answer
    x = 22,998.53

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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.