Home / 48,686.35-73,018.98-15,409.12

Finding the Fourth Proportional to 48,686.35, 73,018.98 and 15,409.12

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Solution

The fourth proportional to 48,686.35, 73,018.98 and 15,409.12 is: 23,110.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,686.35 : 73,018.98 = 15,409.12 : x
  2. Step 2: Convert to fraction form
    48,686.35/73,018.98 = 15,409.12/x
  3. Step 3: Cross multiply
    48,686.35x = 73,018.98 × 15,409.12
  4. Step 4: Simplify right side
    48,686.35x = 1,125,158,225.10
  5. Step 5: Solve for x
    x = 1,125,158,225.10/48,686.35
  6. Step 6: Final answer
    x = 23,110.34

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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.