Home / 48,400.84-72,604.90-13,340.19

Finding the Fourth Proportional to 48,400.84, 72,604.90 and 13,340.19

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Solution

The fourth proportional to 48,400.84, 72,604.90 and 13,340.19 is: 20,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,400.84 : 72,604.90 = 13,340.19 : x
  2. Step 2: Convert to fraction form
    48,400.84/72,604.90 = 13,340.19/x
  3. Step 3: Cross multiply
    48,400.84x = 72,604.90 × 13,340.19
  4. Step 4: Simplify right side
    48,400.84x = 968,562,946.07
  5. Step 5: Solve for x
    x = 968,562,946.07/48,400.84
  6. Step 6: Final answer
    x = 20,011.29

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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.