Home / 35,988.16-53,875.20-21,905.92

Finding the Fourth Proportional to 35,988.16, 53,875.20 and 21,905.92

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Solution

The fourth proportional to 35,988.16, 53,875.20 and 21,905.92 is: 32,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.16 : 53,875.20 = 21,905.92 : x
  2. Step 2: Convert to fraction form
    35,988.16/53,875.20 = 21,905.92/x
  3. Step 3: Cross multiply
    35,988.16x = 53,875.20 × 21,905.92
  4. Step 4: Simplify right side
    35,988.16x = 1,180,185,821.18
  5. Step 5: Solve for x
    x = 1,180,185,821.18/35,988.16
  6. Step 6: Final answer
    x = 32,793.72

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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.