Home / 64,302.89-88,742.67-38,815.46

Finding the Fourth Proportional to 64,302.89, 88,742.67 and 38,815.46

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Solution

The fourth proportional to 64,302.89, 88,742.67 and 38,815.46 is: 53,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,302.89 : 88,742.67 = 38,815.46 : x
  2. Step 2: Convert to fraction form
    64,302.89/88,742.67 = 38,815.46/x
  3. Step 3: Cross multiply
    64,302.89x = 88,742.67 × 38,815.46
  4. Step 4: Simplify right side
    64,302.89x = 3,444,587,779.53
  5. Step 5: Solve for x
    x = 3,444,587,779.53/64,302.89
  6. Step 6: Final answer
    x = 53,568.16

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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.