Home / 46,781.98-70,125.69-20,145.34

Finding the Fourth Proportional to 46,781.98, 70,125.69 and 20,145.34

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Solution

The fourth proportional to 46,781.98, 70,125.69 and 20,145.34 is: 30,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,781.98 : 70,125.69 = 20,145.34 : x
  2. Step 2: Convert to fraction form
    46,781.98/70,125.69 = 20,145.34/x
  3. Step 3: Cross multiply
    46,781.98x = 70,125.69 × 20,145.34
  4. Step 4: Simplify right side
    46,781.98x = 1,412,705,867.78
  5. Step 5: Solve for x
    x = 1,412,705,867.78/46,781.98
  6. Step 6: Final answer
    x = 30,197.65

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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.