Home / 31,966.83-44,133.13-28,420.23

Finding the Fourth Proportional to 31,966.83, 44,133.13 and 28,420.23

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Solution

The fourth proportional to 31,966.83, 44,133.13 and 28,420.23 is: 39,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.83 : 44,133.13 = 28,420.23 : x
  2. Step 2: Convert to fraction form
    31,966.83/44,133.13 = 28,420.23/x
  3. Step 3: Cross multiply
    31,966.83x = 44,133.13 × 28,420.23
  4. Step 4: Simplify right side
    31,966.83x = 1,254,273,705.22
  5. Step 5: Solve for x
    x = 1,254,273,705.22/31,966.83
  6. Step 6: Final answer
    x = 39,236.72

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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.