Home / 52,650.74-72,657.64-28,776.98

Finding the Fourth Proportional to 52,650.74, 72,657.64 and 28,776.98

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Solution

The fourth proportional to 52,650.74, 72,657.64 and 28,776.98 is: 39,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,650.74 : 72,657.64 = 28,776.98 : x
  2. Step 2: Convert to fraction form
    52,650.74/72,657.64 = 28,776.98/x
  3. Step 3: Cross multiply
    52,650.74x = 72,657.64 × 28,776.98
  4. Step 4: Simplify right side
    52,650.74x = 2,090,867,017.90
  5. Step 5: Solve for x
    x = 2,090,867,017.90/52,650.74
  6. Step 6: Final answer
    x = 39,712.02

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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.