Home / 29,281.34-40,370.10-18,667.10

Finding the Fourth Proportional to 29,281.34, 40,370.10 and 18,667.10

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Solution

The fourth proportional to 29,281.34, 40,370.10 and 18,667.10 is: 25,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,281.34 : 40,370.10 = 18,667.10 : x
  2. Step 2: Convert to fraction form
    29,281.34/40,370.10 = 18,667.10/x
  3. Step 3: Cross multiply
    29,281.34x = 40,370.10 × 18,667.10
  4. Step 4: Simplify right side
    29,281.34x = 753,592,693.71
  5. Step 5: Solve for x
    x = 753,592,693.71/29,281.34
  6. Step 6: Final answer
    x = 25,736.28

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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.