Home / 31,332.84-43,228.26-19,229.16

Finding the Fourth Proportional to 31,332.84, 43,228.26 and 19,229.16

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Solution

The fourth proportional to 31,332.84, 43,228.26 and 19,229.16 is: 26,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,332.84 : 43,228.26 = 19,229.16 : x
  2. Step 2: Convert to fraction form
    31,332.84/43,228.26 = 19,229.16/x
  3. Step 3: Cross multiply
    31,332.84x = 43,228.26 × 19,229.16
  4. Step 4: Simplify right side
    31,332.84x = 831,243,128.06
  5. Step 5: Solve for x
    x = 831,243,128.06/31,332.84
  6. Step 6: Final answer
    x = 26,529.45

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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.