Home / 31,296.13-46,881.66-18,809.40

Finding the Fourth Proportional to 31,296.13, 46,881.66 and 18,809.40

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Solution

The fourth proportional to 31,296.13, 46,881.66 and 18,809.40 is: 28,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.13 : 46,881.66 = 18,809.40 : x
  2. Step 2: Convert to fraction form
    31,296.13/46,881.66 = 18,809.40/x
  3. Step 3: Cross multiply
    31,296.13x = 46,881.66 × 18,809.40
  4. Step 4: Simplify right side
    31,296.13x = 881,815,895.60
  5. Step 5: Solve for x
    x = 881,815,895.60/31,296.13
  6. Step 6: Final answer
    x = 28,176.52

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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.