Home / 35,132.36-48,472.86-20,980.04

Finding the Fourth Proportional to 35,132.36, 48,472.86 and 20,980.04

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Solution

The fourth proportional to 35,132.36, 48,472.86 and 20,980.04 is: 28,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,132.36 : 48,472.86 = 20,980.04 : x
  2. Step 2: Convert to fraction form
    35,132.36/48,472.86 = 20,980.04/x
  3. Step 3: Cross multiply
    35,132.36x = 48,472.86 × 20,980.04
  4. Step 4: Simplify right side
    35,132.36x = 1,016,962,541.71
  5. Step 5: Solve for x
    x = 1,016,962,541.71/35,132.36
  6. Step 6: Final answer
    x = 28,946.60

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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.