Home / 32,921.50-45,431.68-18,017.50

Finding the Fourth Proportional to 32,921.50, 45,431.68 and 18,017.50

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Solution

The fourth proportional to 32,921.50, 45,431.68 and 18,017.50 is: 24,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.50 : 45,431.68 = 18,017.50 : x
  2. Step 2: Convert to fraction form
    32,921.50/45,431.68 = 18,017.50/x
  3. Step 3: Cross multiply
    32,921.50x = 45,431.68 × 18,017.50
  4. Step 4: Simplify right side
    32,921.50x = 818,565,294.40
  5. Step 5: Solve for x
    x = 818,565,294.40/32,921.50
  6. Step 6: Final answer
    x = 24,864.16

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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.