Home / 48,345.30-72,509.58-13,276.62

Finding the Fourth Proportional to 48,345.30, 72,509.58 and 13,276.62

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Solution

The fourth proportional to 48,345.30, 72,509.58 and 13,276.62 is: 19,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.30 : 72,509.58 = 13,276.62 : x
  2. Step 2: Convert to fraction form
    48,345.30/72,509.58 = 13,276.62/x
  3. Step 3: Cross multiply
    48,345.30x = 72,509.58 × 13,276.62
  4. Step 4: Simplify right side
    48,345.30x = 962,682,140.02
  5. Step 5: Solve for x
    x = 962,682,140.02/48,345.30
  6. Step 6: Final answer
    x = 19,912.63

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1.5x scale

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.