Home / 52,811.18-72,878.93-28,611.59

Finding the Fourth Proportional to 52,811.18, 72,878.93 and 28,611.59

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Solution

The fourth proportional to 52,811.18, 72,878.93 and 28,611.59 is: 39,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.18 : 72,878.93 = 28,611.59 : x
  2. Step 2: Convert to fraction form
    52,811.18/72,878.93 = 28,611.59/x
  3. Step 3: Cross multiply
    52,811.18x = 72,878.93 × 28,611.59
  4. Step 4: Simplify right side
    52,811.18x = 2,085,181,664.64
  5. Step 5: Solve for x
    x = 2,085,181,664.64/52,811.18
  6. Step 6: Final answer
    x = 39,483.72

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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.