Home / 66,345.42-91,565.06-38,050.50

Finding the Fourth Proportional to 66,345.42, 91,565.06 and 38,050.50

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Solution

The fourth proportional to 66,345.42, 91,565.06 and 38,050.50 is: 52,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,345.42 : 91,565.06 = 38,050.50 : x
  2. Step 2: Convert to fraction form
    66,345.42/91,565.06 = 38,050.50/x
  3. Step 3: Cross multiply
    66,345.42x = 91,565.06 × 38,050.50
  4. Step 4: Simplify right side
    66,345.42x = 3,484,096,125.28
  5. Step 5: Solve for x
    x = 3,484,096,125.28/66,345.42
  6. Step 6: Final answer
    x = 52,514.49

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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.