Home / 24,435.56-36,646.08-12,742.40

Finding the Fourth Proportional to 24,435.56, 36,646.08 and 12,742.40

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Solution

The fourth proportional to 24,435.56, 36,646.08 and 12,742.40 is: 19,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,435.56 : 36,646.08 = 12,742.40 : x
  2. Step 2: Convert to fraction form
    24,435.56/36,646.08 = 12,742.40/x
  3. Step 3: Cross multiply
    24,435.56x = 36,646.08 × 12,742.40
  4. Step 4: Simplify right side
    24,435.56x = 466,959,009.79
  5. Step 5: Solve for x
    x = 466,959,009.79/24,435.56
  6. Step 6: Final answer
    x = 19,109.81

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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.