Home / 51,710.18-77,565.65-28,323.86

Finding the Fourth Proportional to 51,710.18, 77,565.65 and 28,323.86

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Solution

The fourth proportional to 51,710.18, 77,565.65 and 28,323.86 is: 42,485.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710.18 : 77,565.65 = 28,323.86 : x
  2. Step 2: Convert to fraction form
    51,710.18/77,565.65 = 28,323.86/x
  3. Step 3: Cross multiply
    51,710.18x = 77,565.65 × 28,323.86
  4. Step 4: Simplify right side
    51,710.18x = 2,196,958,081.96
  5. Step 5: Solve for x
    x = 2,196,958,081.96/51,710.18
  6. Step 6: Final answer
    x = 42,485.99

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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.