Home / 34,486.08-47,595.60-20,150.64

Finding the Fourth Proportional to 34,486.08, 47,595.60 and 20,150.64

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Solution

The fourth proportional to 34,486.08, 47,595.60 and 20,150.64 is: 27,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,486.08 : 47,595.60 = 20,150.64 : x
  2. Step 2: Convert to fraction form
    34,486.08/47,595.60 = 20,150.64/x
  3. Step 3: Cross multiply
    34,486.08x = 47,595.60 × 20,150.64
  4. Step 4: Simplify right side
    34,486.08x = 959,081,801.18
  5. Step 5: Solve for x
    x = 959,081,801.18/34,486.08
  6. Step 6: Final answer
    x = 27,810.69

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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.