Home / 51,343.96-70,808.62-42,758.57

Finding the Fourth Proportional to 51,343.96, 70,808.62 and 42,758.57

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Solution

The fourth proportional to 51,343.96, 70,808.62 and 42,758.57 is: 58,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,343.96 : 70,808.62 = 42,758.57 : x
  2. Step 2: Convert to fraction form
    51,343.96/70,808.62 = 42,758.57/x
  3. Step 3: Cross multiply
    51,343.96x = 70,808.62 × 42,758.57
  4. Step 4: Simplify right side
    51,343.96x = 3,027,675,334.87
  5. Step 5: Solve for x
    x = 3,027,675,334.87/51,343.96
  6. Step 6: Final answer
    x = 58,968.48

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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.