Home / 35,581.04-53,363.40-13,396.72

Finding the Fourth Proportional to 35,581.04, 53,363.40 and 13,396.72

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Solution

The fourth proportional to 35,581.04, 53,363.40 and 13,396.72 is: 20,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.04 : 53,363.40 = 13,396.72 : x
  2. Step 2: Convert to fraction form
    35,581.04/53,363.40 = 13,396.72/x
  3. Step 3: Cross multiply
    35,581.04x = 53,363.40 × 13,396.72
  4. Step 4: Simplify right side
    35,581.04x = 714,894,528.05
  5. Step 5: Solve for x
    x = 714,894,528.05/35,581.04
  6. Step 6: Final answer
    x = 20,092.01

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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.