Home / 31,264.02-43,143.86-17,116.86

Finding the Fourth Proportional to 31,264.02, 43,143.86 and 17,116.86

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Solution

The fourth proportional to 31,264.02, 43,143.86 and 17,116.86 is: 23,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.02 : 43,143.86 = 17,116.86 : x
  2. Step 2: Convert to fraction form
    31,264.02/43,143.86 = 17,116.86/x
  3. Step 3: Cross multiply
    31,264.02x = 43,143.86 × 17,116.86
  4. Step 4: Simplify right side
    31,264.02x = 738,487,454.27
  5. Step 5: Solve for x
    x = 738,487,454.27/31,264.02
  6. Step 6: Final answer
    x = 23,621.00

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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.