Home / 35,443.84-48,905.76-21,291.52

Finding the Fourth Proportional to 35,443.84, 48,905.76 and 21,291.52

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Solution

The fourth proportional to 35,443.84, 48,905.76 and 21,291.52 is: 29,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,443.84 : 48,905.76 = 21,291.52 : x
  2. Step 2: Convert to fraction form
    35,443.84/48,905.76 = 21,291.52/x
  3. Step 3: Cross multiply
    35,443.84x = 48,905.76 × 21,291.52
  4. Step 4: Simplify right side
    35,443.84x = 1,041,277,967.16
  5. Step 5: Solve for x
    x = 1,041,277,967.16/35,443.84
  6. Step 6: Final answer
    x = 29,378.25

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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.