Home / 48,237.15-72,368.72-20,147.87

Finding the Fourth Proportional to 48,237.15, 72,368.72 and 20,147.87

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Solution

The fourth proportional to 48,237.15, 72,368.72 and 20,147.87 is: 30,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,237.15 : 72,368.72 = 20,147.87 : x
  2. Step 2: Convert to fraction form
    48,237.15/72,368.72 = 20,147.87/x
  3. Step 3: Cross multiply
    48,237.15x = 72,368.72 × 20,147.87
  4. Step 4: Simplify right side
    48,237.15x = 1,458,075,100.04
  5. Step 5: Solve for x
    x = 1,458,075,100.04/48,237.15
  6. Step 6: Final answer
    x = 30,227.22

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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.