Home / 30,918.91-46,381.77-9,854.05

Finding the Fourth Proportional to 30,918.91, 46,381.77 and 9,854.05

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Solution

The fourth proportional to 30,918.91, 46,381.77 and 9,854.05 is: 14,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,918.91 : 46,381.77 = 9,854.05 : x
  2. Step 2: Convert to fraction form
    30,918.91/46,381.77 = 9,854.05/x
  3. Step 3: Cross multiply
    30,918.91x = 46,381.77 × 9,854.05
  4. Step 4: Simplify right side
    30,918.91x = 457,048,280.67
  5. Step 5: Solve for x
    x = 457,048,280.67/30,918.91
  6. Step 6: Final answer
    x = 14,782.16

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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.