Home / 29,117.81-43,667.51-19,309.12

Finding the Fourth Proportional to 29,117.81, 43,667.51 and 19,309.12

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Solution

The fourth proportional to 29,117.81, 43,667.51 and 19,309.12 is: 28,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.81 : 43,667.51 = 19,309.12 : x
  2. Step 2: Convert to fraction form
    29,117.81/43,667.51 = 19,309.12/x
  3. Step 3: Cross multiply
    29,117.81x = 43,667.51 × 19,309.12
  4. Step 4: Simplify right side
    29,117.81x = 843,180,984.98
  5. Step 5: Solve for x
    x = 843,180,984.98/29,117.81
  6. Step 6: Final answer
    x = 28,957.57

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1.5x scale

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.