Home / 29,487.36-40,700.88-19,423.44

Finding the Fourth Proportional to 29,487.36, 40,700.88 and 19,423.44

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Solution

The fourth proportional to 29,487.36, 40,700.88 and 19,423.44 is: 26,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,487.36 : 40,700.88 = 19,423.44 : x
  2. Step 2: Convert to fraction form
    29,487.36/40,700.88 = 19,423.44/x
  3. Step 3: Cross multiply
    29,487.36x = 40,700.88 × 19,423.44
  4. Step 4: Simplify right side
    29,487.36x = 790,551,100.63
  5. Step 5: Solve for x
    x = 790,551,100.63/29,487.36
  6. Step 6: Final answer
    x = 26,809.83

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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.