Home / 48,483.36-72,721.80-18,895.68

Finding the Fourth Proportional to 48,483.36, 72,721.80 and 18,895.68

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Solution

The fourth proportional to 48,483.36, 72,721.80 and 18,895.68 is: 28,342.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,483.36 : 72,721.80 = 18,895.68 : x
  2. Step 2: Convert to fraction form
    48,483.36/72,721.80 = 18,895.68/x
  3. Step 3: Cross multiply
    48,483.36x = 72,721.80 × 18,895.68
  4. Step 4: Simplify right side
    48,483.36x = 1,374,127,861.82
  5. Step 5: Solve for x
    x = 1,374,127,861.82/48,483.36
  6. Step 6: Final answer
    x = 28,342.26

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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.