Home / 31,024.08-42,812.98-16,876.94

Finding the Fourth Proportional to 31,024.08, 42,812.98 and 16,876.94

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Solution

The fourth proportional to 31,024.08, 42,812.98 and 16,876.94 is: 23,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,024.08 : 42,812.98 = 16,876.94 : x
  2. Step 2: Convert to fraction form
    31,024.08/42,812.98 = 16,876.94/x
  3. Step 3: Cross multiply
    31,024.08x = 42,812.98 × 16,876.94
  4. Step 4: Simplify right side
    31,024.08x = 722,552,094.68
  5. Step 5: Solve for x
    x = 722,552,094.68/31,024.08
  6. Step 6: Final answer
    x = 23,290.04

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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.