Home / 48,631.18-72,950.86-13,571.26

Finding the Fourth Proportional to 48,631.18, 72,950.86 and 13,571.26

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Solution

The fourth proportional to 48,631.18, 72,950.86 and 13,571.26 is: 20,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.18 : 72,950.86 = 13,571.26 : x
  2. Step 2: Convert to fraction form
    48,631.18/72,950.86 = 13,571.26/x
  3. Step 3: Cross multiply
    48,631.18x = 72,950.86 × 13,571.26
  4. Step 4: Simplify right side
    48,631.18x = 990,035,088.28
  5. Step 5: Solve for x
    x = 990,035,088.28/48,631.18
  6. Step 6: Final answer
    x = 20,358.03

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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.