Home / 52,321.79-72,204.26-28,448.57

Finding the Fourth Proportional to 52,321.79, 72,204.26 and 28,448.57

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Solution

The fourth proportional to 52,321.79, 72,204.26 and 28,448.57 is: 39,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.79 : 72,204.26 = 28,448.57 : x
  2. Step 2: Convert to fraction form
    52,321.79/72,204.26 = 28,448.57/x
  3. Step 3: Cross multiply
    52,321.79x = 72,204.26 × 28,448.57
  4. Step 4: Simplify right side
    52,321.79x = 2,054,107,983.18
  5. Step 5: Solve for x
    x = 2,054,107,983.18/52,321.79
  6. Step 6: Final answer
    x = 39,259.13

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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.