Home / 52,812.64-72,881.43-28,940.23

Finding the Fourth Proportional to 52,812.64, 72,881.43 and 28,940.23

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Solution

The fourth proportional to 52,812.64, 72,881.43 and 28,940.23 is: 39,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,812.64 : 72,881.43 = 28,940.23 : x
  2. Step 2: Convert to fraction form
    52,812.64/72,881.43 = 28,940.23/x
  3. Step 3: Cross multiply
    52,812.64x = 72,881.43 × 28,940.23
  4. Step 4: Simplify right side
    52,812.64x = 2,109,205,346.93
  5. Step 5: Solve for x
    x = 2,109,205,346.93/52,812.64
  6. Step 6: Final answer
    x = 39,937.51

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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.