Home / 48,117.05-72,034.83-28,065.23

Finding the Fourth Proportional to 48,117.05, 72,034.83 and 28,065.23

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Solution

The fourth proportional to 48,117.05, 72,034.83 and 28,065.23 is: 42,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.05 : 72,034.83 = 28,065.23 : x
  2. Step 2: Convert to fraction form
    48,117.05/72,034.83 = 28,065.23/x
  3. Step 3: Cross multiply
    48,117.05x = 72,034.83 × 28,065.23
  4. Step 4: Simplify right side
    48,117.05x = 2,021,674,071.96
  5. Step 5: Solve for x
    x = 2,021,674,071.96/48,117.05
  6. Step 6: Final answer
    x = 42,015.75

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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.