Home / 52,845.30-72,924.57-28,971.45

Finding the Fourth Proportional to 52,845.30, 72,924.57 and 28,971.45

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Solution

The fourth proportional to 52,845.30, 72,924.57 and 28,971.45 is: 39,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.30 : 72,924.57 = 28,971.45 : x
  2. Step 2: Convert to fraction form
    52,845.30/72,924.57 = 28,971.45/x
  3. Step 3: Cross multiply
    52,845.30x = 72,924.57 × 28,971.45
  4. Step 4: Simplify right side
    52,845.30x = 2,112,730,533.53
  5. Step 5: Solve for x
    x = 2,112,730,533.53/52,845.30
  6. Step 6: Final answer
    x = 39,979.54

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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.