Home / 31,133.04-42,964.80-17,705.52

Finding the Fourth Proportional to 31,133.04, 42,964.80 and 17,705.52

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Solution

The fourth proportional to 31,133.04, 42,964.80 and 17,705.52 is: 24,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133.04 : 42,964.80 = 17,705.52 : x
  2. Step 2: Convert to fraction form
    31,133.04/42,964.80 = 17,705.52/x
  3. Step 3: Cross multiply
    31,133.04x = 42,964.80 × 17,705.52
  4. Step 4: Simplify right side
    31,133.04x = 760,714,125.70
  5. Step 5: Solve for x
    x = 760,714,125.70/31,133.04
  6. Step 6: Final answer
    x = 24,434.30

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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.