Home / 35,423.04-53,167.40-17,905.20

Finding the Fourth Proportional to 35,423.04, 53,167.40 and 17,905.20

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Solution

The fourth proportional to 35,423.04, 53,167.40 and 17,905.20 is: 26,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.04 : 53,167.40 = 17,905.20 : x
  2. Step 2: Convert to fraction form
    35,423.04/53,167.40 = 17,905.20/x
  3. Step 3: Cross multiply
    35,423.04x = 53,167.40 × 17,905.20
  4. Step 4: Simplify right side
    35,423.04x = 951,972,930.48
  5. Step 5: Solve for x
    x = 951,972,930.48/35,423.04
  6. Step 6: Final answer
    x = 26,874.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.