Home / 61,000.49-84,180.66-34,142.99

Finding the Fourth Proportional to 61,000.49, 84,180.66 and 34,142.99

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Solution

The fourth proportional to 61,000.49, 84,180.66 and 34,142.99 is: 47,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,000.49 : 84,180.66 = 34,142.99 : x
  2. Step 2: Convert to fraction form
    61,000.49/84,180.66 = 34,142.99/x
  3. Step 3: Cross multiply
    61,000.49x = 84,180.66 × 34,142.99
  4. Step 4: Simplify right side
    61,000.49x = 2,874,179,432.57
  5. Step 5: Solve for x
    x = 2,874,179,432.57/61,000.49
  6. Step 6: Final answer
    x = 47,117.32

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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.