Home / 29,178.43-40,270.07-16,434.12

Finding the Fourth Proportional to 29,178.43, 40,270.07 and 16,434.12

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Solution

The fourth proportional to 29,178.43, 40,270.07 and 16,434.12 is: 22,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.43 : 40,270.07 = 16,434.12 : x
  2. Step 2: Convert to fraction form
    29,178.43/40,270.07 = 16,434.12/x
  3. Step 3: Cross multiply
    29,178.43x = 40,270.07 × 16,434.12
  4. Step 4: Simplify right side
    29,178.43x = 661,803,203.87
  5. Step 5: Solve for x
    x = 661,803,203.87/29,178.43
  6. Step 6: Final answer
    x = 22,681.25

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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.