Home / 61,282.79-84,561.04-34,420.15

Finding the Fourth Proportional to 61,282.79, 84,561.04 and 34,420.15

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Solution

The fourth proportional to 61,282.79, 84,561.04 and 34,420.15 is: 47,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,282.79 : 84,561.04 = 34,420.15 : x
  2. Step 2: Convert to fraction form
    61,282.79/84,561.04 = 34,420.15/x
  3. Step 3: Cross multiply
    61,282.79x = 84,561.04 × 34,420.15
  4. Step 4: Simplify right side
    61,282.79x = 2,910,603,680.96
  5. Step 5: Solve for x
    x = 2,910,603,680.96/61,282.79
  6. Step 6: Final answer
    x = 47,494.63

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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.