Home / 37,685.36-52,005.76-20,918.32

Finding the Fourth Proportional to 37,685.36, 52,005.76 and 20,918.32

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Solution

The fourth proportional to 37,685.36, 52,005.76 and 20,918.32 is: 28,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.36 : 52,005.76 = 20,918.32 : x
  2. Step 2: Convert to fraction form
    37,685.36/52,005.76 = 20,918.32/x
  3. Step 3: Cross multiply
    37,685.36x = 52,005.76 × 20,918.32
  4. Step 4: Simplify right side
    37,685.36x = 1,087,873,129.52
  5. Step 5: Solve for x
    x = 1,087,873,129.52/37,685.36
  6. Step 6: Final answer
    x = 28,867.26

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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.