Home / 38,667.15-57,988.35-12,365.64

Finding the Fourth Proportional to 38,667.15, 57,988.35 and 12,365.64

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Solution

The fourth proportional to 38,667.15, 57,988.35 and 12,365.64 is: 18,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667.15 : 57,988.35 = 12,365.64 : x
  2. Step 2: Convert to fraction form
    38,667.15/57,988.35 = 12,365.64/x
  3. Step 3: Cross multiply
    38,667.15x = 57,988.35 × 12,365.64
  4. Step 4: Simplify right side
    38,667.15x = 717,063,060.29
  5. Step 5: Solve for x
    x = 717,063,060.29/38,667.15
  6. Step 6: Final answer
    x = 18,544.50

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1.5x scale

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.