Home / 52,853.75-72,940.38-28,981.34

Finding the Fourth Proportional to 52,853.75, 72,940.38 and 28,981.34

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Solution

The fourth proportional to 52,853.75, 72,940.38 and 28,981.34 is: 39,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.75 : 72,940.38 = 28,981.34 : x
  2. Step 2: Convert to fraction form
    52,853.75/72,940.38 = 28,981.34/x
  3. Step 3: Cross multiply
    52,853.75x = 72,940.38 × 28,981.34
  4. Step 4: Simplify right side
    52,853.75x = 2,113,909,952.51
  5. Step 5: Solve for x
    x = 2,113,909,952.51/52,853.75
  6. Step 6: Final answer
    x = 39,995.46

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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.