Home / 35,581.40-53,373.18-12,207.50

Finding the Fourth Proportional to 35,581.40, 53,373.18 and 12,207.50

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Solution

The fourth proportional to 35,581.40, 53,373.18 and 12,207.50 is: 18,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,581.40 : 53,373.18 = 12,207.50 : x
  2. Step 2: Convert to fraction form
    35,581.40/53,373.18 = 12,207.50/x
  3. Step 3: Cross multiply
    35,581.40x = 53,373.18 × 12,207.50
  4. Step 4: Simplify right side
    35,581.40x = 651,553,094.85
  5. Step 5: Solve for x
    x = 651,553,094.85/35,581.40
  6. Step 6: Final answer
    x = 18,311.62

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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.