Home / 32,938.45-45,448.68-19,512.30

Finding the Fourth Proportional to 32,938.45, 45,448.68 and 19,512.30

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Solution

The fourth proportional to 32,938.45, 45,448.68 and 19,512.30 is: 26,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,938.45 : 45,448.68 = 19,512.30 : x
  2. Step 2: Convert to fraction form
    32,938.45/45,448.68 = 19,512.30/x
  3. Step 3: Cross multiply
    32,938.45x = 45,448.68 × 19,512.30
  4. Step 4: Simplify right side
    32,938.45x = 886,808,278.76
  5. Step 5: Solve for x
    x = 886,808,278.76/32,938.45
  6. Step 6: Final answer
    x = 26,923.19

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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.