Home / 33,071.49-45,637.65-18,923.40

Finding the Fourth Proportional to 33,071.49, 45,637.65 and 18,923.40

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Solution

The fourth proportional to 33,071.49, 45,637.65 and 18,923.40 is: 26,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,071.49 : 45,637.65 = 18,923.40 : x
  2. Step 2: Convert to fraction form
    33,071.49/45,637.65 = 18,923.40/x
  3. Step 3: Cross multiply
    33,071.49x = 45,637.65 × 18,923.40
  4. Step 4: Simplify right side
    33,071.49x = 863,619,506.01
  5. Step 5: Solve for x
    x = 863,619,506.01/33,071.49
  6. Step 6: Final answer
    x = 26,113.72

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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.