Home / 52,182.83-72,012.26-28,309.51

Finding the Fourth Proportional to 52,182.83, 72,012.26 and 28,309.51

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Solution

The fourth proportional to 52,182.83, 72,012.26 and 28,309.51 is: 39,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,182.83 : 72,012.26 = 28,309.51 : x
  2. Step 2: Convert to fraction form
    52,182.83/72,012.26 = 28,309.51/x
  3. Step 3: Cross multiply
    52,182.83x = 72,012.26 × 28,309.51
  4. Step 4: Simplify right side
    52,182.83x = 2,038,631,685.34
  5. Step 5: Solve for x
    x = 2,038,631,685.34/52,182.83
  6. Step 6: Final answer
    x = 39,067.10

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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.