Home / 31,004.64-42,748.70-26,215.92

Finding the Fourth Proportional to 31,004.64, 42,748.70 and 26,215.92

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Solution

The fourth proportional to 31,004.64, 42,748.70 and 26,215.92 is: 36,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004.64 : 42,748.70 = 26,215.92 : x
  2. Step 2: Convert to fraction form
    31,004.64/42,748.70 = 26,215.92/x
  3. Step 3: Cross multiply
    31,004.64x = 42,748.70 × 26,215.92
  4. Step 4: Simplify right side
    31,004.64x = 1,120,696,368.22
  5. Step 5: Solve for x
    x = 1,120,696,368.22/31,004.64
  6. Step 6: Final answer
    x = 36,146.09

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1.5x scale

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.