Home / 31,700.40-43,670.43-26,664.72

Finding the Fourth Proportional to 31,700.40, 43,670.43 and 26,664.72

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Solution

The fourth proportional to 31,700.40, 43,670.43 and 26,664.72 is: 36,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.40 : 43,670.43 = 26,664.72 : x
  2. Step 2: Convert to fraction form
    31,700.40/43,670.43 = 26,664.72/x
  3. Step 3: Cross multiply
    31,700.40x = 43,670.43 × 26,664.72
  4. Step 4: Simplify right side
    31,700.40x = 1,164,459,788.23
  5. Step 5: Solve for x
    x = 1,164,459,788.23/31,700.40
  6. Step 6: Final answer
    x = 36,733.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.