Home / 48,365.54-72,529.63-18,779.38

Finding the Fourth Proportional to 48,365.54, 72,529.63 and 18,779.38

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Solution

The fourth proportional to 48,365.54, 72,529.63 and 18,779.38 is: 28,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,365.54 : 72,529.63 = 18,779.38 : x
  2. Step 2: Convert to fraction form
    48,365.54/72,529.63 = 18,779.38/x
  3. Step 3: Cross multiply
    48,365.54x = 72,529.63 × 18,779.38
  4. Step 4: Simplify right side
    48,365.54x = 1,362,061,254.76
  5. Step 5: Solve for x
    x = 1,362,061,254.76/48,365.54
  6. Step 6: Final answer
    x = 28,161.81

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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.