Home / 52,845.71-72,927.05-28,971.86

Finding the Fourth Proportional to 52,845.71, 72,927.05 and 28,971.86

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Solution

The fourth proportional to 52,845.71, 72,927.05 and 28,971.86 is: 39,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.71 : 72,927.05 = 28,971.86 : x
  2. Step 2: Convert to fraction form
    52,845.71/72,927.05 = 28,971.86/x
  3. Step 3: Cross multiply
    52,845.71x = 72,927.05 × 28,971.86
  4. Step 4: Simplify right side
    52,845.71x = 2,112,831,773.32
  5. Step 5: Solve for x
    x = 2,112,831,773.32/52,845.71
  6. Step 6: Final answer
    x = 39,981.14

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1.5x scale

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.