Home / 31,710.18-43,748.81-18,954.51

Finding the Fourth Proportional to 31,710.18, 43,748.81 and 18,954.51

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Solution

The fourth proportional to 31,710.18, 43,748.81 and 18,954.51 is: 26,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,710.18 : 43,748.81 = 18,954.51 : x
  2. Step 2: Convert to fraction form
    31,710.18/43,748.81 = 18,954.51/x
  3. Step 3: Cross multiply
    31,710.18x = 43,748.81 × 18,954.51
  4. Step 4: Simplify right side
    31,710.18x = 829,237,068.88
  5. Step 5: Solve for x
    x = 829,237,068.88/31,710.18
  6. Step 6: Final answer
    x = 26,150.50

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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.