Home / 55,985.10-83,977.65-19,049.10

Finding the Fourth Proportional to 55,985.10, 83,977.65 and 19,049.10

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Solution

The fourth proportional to 55,985.10, 83,977.65 and 19,049.10 is: 28,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,985.10 : 83,977.65 = 19,049.10 : x
  2. Step 2: Convert to fraction form
    55,985.10/83,977.65 = 19,049.10/x
  3. Step 3: Cross multiply
    55,985.10x = 83,977.65 × 19,049.10
  4. Step 4: Simplify right side
    55,985.10x = 1,599,698,652.62
  5. Step 5: Solve for x
    x = 1,599,698,652.62/55,985.10
  6. Step 6: Final answer
    x = 28,573.65

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Similar ratio
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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.