Home / 40,403.67-60,605.51-10,820.74

Finding the Fourth Proportional to 40,403.67, 60,605.51 and 10,820.74

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Solution

The fourth proportional to 40,403.67, 60,605.51 and 10,820.74 is: 16,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.67 : 60,605.51 = 10,820.74 : x
  2. Step 2: Convert to fraction form
    40,403.67/60,605.51 = 10,820.74/x
  3. Step 3: Cross multiply
    40,403.67x = 60,605.51 × 10,820.74
  4. Step 4: Simplify right side
    40,403.67x = 655,796,466.28
  5. Step 5: Solve for x
    x = 655,796,466.28/40,403.67
  6. Step 6: Final answer
    x = 16,231.11

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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.