Home / 32,699.28-45,123.47-18,164.40

Finding the Fourth Proportional to 32,699.28, 45,123.47 and 18,164.40

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Solution

The fourth proportional to 32,699.28, 45,123.47 and 18,164.40 is: 25,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,699.28 : 45,123.47 = 18,164.40 : x
  2. Step 2: Convert to fraction form
    32,699.28/45,123.47 = 18,164.40/x
  3. Step 3: Cross multiply
    32,699.28x = 45,123.47 × 18,164.40
  4. Step 4: Simplify right side
    32,699.28x = 819,640,667.65
  5. Step 5: Solve for x
    x = 819,640,667.65/32,699.28
  6. Step 6: Final answer
    x = 25,066.02

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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.