Home / 30,398.32-41,929.19-26,412.58

Finding the Fourth Proportional to 30,398.32, 41,929.19 and 26,412.58

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Solution

The fourth proportional to 30,398.32, 41,929.19 and 26,412.58 is: 36,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.32 : 41,929.19 = 26,412.58 : x
  2. Step 2: Convert to fraction form
    30,398.32/41,929.19 = 26,412.58/x
  3. Step 3: Cross multiply
    30,398.32x = 41,929.19 × 26,412.58
  4. Step 4: Simplify right side
    30,398.32x = 1,107,457,875.56
  5. Step 5: Solve for x
    x = 1,107,457,875.56/30,398.32
  6. Step 6: Final answer
    x = 36,431.55

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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.