Home / 55,903.32-83,888.46-20,867.58

Finding the Fourth Proportional to 55,903.32, 83,888.46 and 20,867.58

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Solution

The fourth proportional to 55,903.32, 83,888.46 and 20,867.58 is: 31,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.32 : 83,888.46 = 20,867.58 : x
  2. Step 2: Convert to fraction form
    55,903.32/83,888.46 = 20,867.58/x
  3. Step 3: Cross multiply
    55,903.32x = 83,888.46 × 20,867.58
  4. Step 4: Simplify right side
    55,903.32x = 1,750,549,150.13
  5. Step 5: Solve for x
    x = 1,750,549,150.13/55,903.32
  6. Step 6: Final answer
    x = 31,313.87

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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.