Home / 35,148.64-52,742.40-14,386.72

Finding the Fourth Proportional to 35,148.64, 52,742.40 and 14,386.72

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Solution

The fourth proportional to 35,148.64, 52,742.40 and 14,386.72 is: 21,588.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.64 : 52,742.40 = 14,386.72 : x
  2. Step 2: Convert to fraction form
    35,148.64/52,742.40 = 14,386.72/x
  3. Step 3: Cross multiply
    35,148.64x = 52,742.40 × 14,386.72
  4. Step 4: Simplify right side
    35,148.64x = 758,790,140.93
  5. Step 5: Solve for x
    x = 758,790,140.93/35,148.64
  6. Step 6: Final answer
    x = 21,588.04

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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.