Home / 35,983.77-53,928.27-20,188.50

Finding the Fourth Proportional to 35,983.77, 53,928.27 and 20,188.50

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Solution

The fourth proportional to 35,983.77, 53,928.27 and 20,188.50 is: 30,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,983.77 : 53,928.27 = 20,188.50 : x
  2. Step 2: Convert to fraction form
    35,983.77/53,928.27 = 20,188.50/x
  3. Step 3: Cross multiply
    35,983.77x = 53,928.27 × 20,188.50
  4. Step 4: Simplify right side
    35,983.77x = 1,088,730,878.90
  5. Step 5: Solve for x
    x = 1,088,730,878.90/35,983.77
  6. Step 6: Final answer
    x = 30,256.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.