Home / 33,239.81-45,875.18-18,905.24

Finding the Fourth Proportional to 33,239.81, 45,875.18 and 18,905.24

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Solution

The fourth proportional to 33,239.81, 45,875.18 and 18,905.24 is: 26,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,239.81 : 45,875.18 = 18,905.24 : x
  2. Step 2: Convert to fraction form
    33,239.81/45,875.18 = 18,905.24/x
  3. Step 3: Cross multiply
    33,239.81x = 45,875.18 × 18,905.24
  4. Step 4: Simplify right side
    33,239.81x = 867,281,449.89
  5. Step 5: Solve for x
    x = 867,281,449.89/33,239.81
  6. Step 6: Final answer
    x = 26,091.65

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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.