Home / 55,347.36-83,020.32-13,794.72

Finding the Fourth Proportional to 55,347.36, 83,020.32 and 13,794.72

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Solution

The fourth proportional to 55,347.36, 83,020.32 and 13,794.72 is: 20,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.36 : 83,020.32 = 13,794.72 : x
  2. Step 2: Convert to fraction form
    55,347.36/83,020.32 = 13,794.72/x
  3. Step 3: Cross multiply
    55,347.36x = 83,020.32 × 13,794.72
  4. Step 4: Simplify right side
    55,347.36x = 1,145,242,068.71
  5. Step 5: Solve for x
    x = 1,145,242,068.71/55,347.36
  6. Step 6: Final answer
    x = 20,691.90

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1.5x scale

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.