Home / 48,341.84-72,513.60-13,281.28

Finding the Fourth Proportional to 48,341.84, 72,513.60 and 13,281.28

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Solution

The fourth proportional to 48,341.84, 72,513.60 and 13,281.28 is: 19,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,341.84 : 72,513.60 = 13,281.28 : x
  2. Step 2: Convert to fraction form
    48,341.84/72,513.60 = 13,281.28/x
  3. Step 3: Cross multiply
    48,341.84x = 72,513.60 × 13,281.28
  4. Step 4: Simplify right side
    48,341.84x = 963,073,425.41
  5. Step 5: Solve for x
    x = 963,073,425.41/48,341.84
  6. Step 6: Final answer
    x = 19,922.15

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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.