Home / 48,386.82-72,561.57-18,800.76

Finding the Fourth Proportional to 48,386.82, 72,561.57 and 18,800.76

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Solution

The fourth proportional to 48,386.82, 72,561.57 and 18,800.76 is: 28,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.82 : 72,561.57 = 18,800.76 : x
  2. Step 2: Convert to fraction form
    48,386.82/72,561.57 = 18,800.76/x
  3. Step 3: Cross multiply
    48,386.82x = 72,561.57 × 18,800.76
  4. Step 4: Simplify right side
    48,386.82x = 1,364,212,662.79
  5. Step 5: Solve for x
    x = 1,364,212,662.79/48,386.82
  6. Step 6: Final answer
    x = 28,193.89

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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.