Home / 48,569.51-72,854.40-13,509.20

Finding the Fourth Proportional to 48,569.51, 72,854.40 and 13,509.20

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Solution

The fourth proportional to 48,569.51, 72,854.40 and 13,509.20 is: 20,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,569.51 : 72,854.40 = 13,509.20 : x
  2. Step 2: Convert to fraction form
    48,569.51/72,854.40 = 13,509.20/x
  3. Step 3: Cross multiply
    48,569.51x = 72,854.40 × 13,509.20
  4. Step 4: Simplify right side
    48,569.51x = 984,204,296.21
  5. Step 5: Solve for x
    x = 984,204,296.21/48,569.51
  6. Step 6: Final answer
    x = 20,263.83

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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.