Home / 31,052.22-42,852.45-16,905.06

Finding the Fourth Proportional to 31,052.22, 42,852.45 and 16,905.06

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Solution

The fourth proportional to 31,052.22, 42,852.45 and 16,905.06 is: 23,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,052.22 : 42,852.45 = 16,905.06 : x
  2. Step 2: Convert to fraction form
    31,052.22/42,852.45 = 16,905.06/x
  3. Step 3: Cross multiply
    31,052.22x = 42,852.45 × 16,905.06
  4. Step 4: Simplify right side
    31,052.22x = 724,423,238.40
  5. Step 5: Solve for x
    x = 724,423,238.40/31,052.22
  6. Step 6: Final answer
    x = 23,329.19

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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.