Home / 30,960.48-46,443.18-18,565.08

Finding the Fourth Proportional to 30,960.48, 46,443.18 and 18,565.08

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Solution

The fourth proportional to 30,960.48, 46,443.18 and 18,565.08 is: 27,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.48 : 46,443.18 = 18,565.08 : x
  2. Step 2: Convert to fraction form
    30,960.48/46,443.18 = 18,565.08/x
  3. Step 3: Cross multiply
    30,960.48x = 46,443.18 × 18,565.08
  4. Step 4: Simplify right side
    30,960.48x = 862,221,352.15
  5. Step 5: Solve for x
    x = 862,221,352.15/30,960.48
  6. Step 6: Final answer
    x = 27,849.10

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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.