Home / 31,605.64-47,370.66-14,055.64

Finding the Fourth Proportional to 31,605.64, 47,370.66 and 14,055.64

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Solution

The fourth proportional to 31,605.64, 47,370.66 and 14,055.64 is: 21,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.64 : 47,370.66 = 14,055.64 : x
  2. Step 2: Convert to fraction form
    31,605.64/47,370.66 = 14,055.64/x
  3. Step 3: Cross multiply
    31,605.64x = 47,370.66 × 14,055.64
  4. Step 4: Simplify right side
    31,605.64x = 665,824,943.52
  5. Step 5: Solve for x
    x = 665,824,943.52/31,605.64
  6. Step 6: Final answer
    x = 21,066.65

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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.