Home / 34,706.64-47,895.60-20,556.75

Finding the Fourth Proportional to 34,706.64, 47,895.60 and 20,556.75

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Solution

The fourth proportional to 34,706.64, 47,895.60 and 20,556.75 is: 28,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,706.64 : 47,895.60 = 20,556.75 : x
  2. Step 2: Convert to fraction form
    34,706.64/47,895.60 = 20,556.75/x
  3. Step 3: Cross multiply
    34,706.64x = 47,895.60 × 20,556.75
  4. Step 4: Simplify right side
    34,706.64x = 984,577,875.30
  5. Step 5: Solve for x
    x = 984,577,875.30/34,706.64
  6. Step 6: Final answer
    x = 28,368.57

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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.