Home / 56,281.50-77,661.72-32,415.93

Finding the Fourth Proportional to 56,281.50, 77,661.72 and 32,415.93

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Solution

The fourth proportional to 56,281.50, 77,661.72 and 32,415.93 is: 44,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,281.50 : 77,661.72 = 32,415.93 : x
  2. Step 2: Convert to fraction form
    56,281.50/77,661.72 = 32,415.93/x
  3. Step 3: Cross multiply
    56,281.50x = 77,661.72 × 32,415.93
  4. Step 4: Simplify right side
    56,281.50x = 2,517,476,879.20
  5. Step 5: Solve for x
    x = 2,517,476,879.20/56,281.50
  6. Step 6: Final answer
    x = 44,730.10

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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.