Home / 48,475.16-72,685.44-18,859.16

Finding the Fourth Proportional to 48,475.16, 72,685.44 and 18,859.16

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Solution

The fourth proportional to 48,475.16, 72,685.44 and 18,859.16 is: 28,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,475.16 : 72,685.44 = 18,859.16 : x
  2. Step 2: Convert to fraction form
    48,475.16/72,685.44 = 18,859.16/x
  3. Step 3: Cross multiply
    48,475.16x = 72,685.44 × 18,859.16
  4. Step 4: Simplify right side
    48,475.16x = 1,370,786,342.63
  5. Step 5: Solve for x
    x = 1,370,786,342.63/48,475.16
  6. Step 6: Final answer
    x = 28,278.12

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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.