Home / 34,686.15-47,867.01-18,770.60

Finding the Fourth Proportional to 34,686.15, 47,867.01 and 18,770.60

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Solution

The fourth proportional to 34,686.15, 47,867.01 and 18,770.60 is: 25,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,686.15 : 47,867.01 = 18,770.60 : x
  2. Step 2: Convert to fraction form
    34,686.15/47,867.01 = 18,770.60/x
  3. Step 3: Cross multiply
    34,686.15x = 47,867.01 × 18,770.60
  4. Step 4: Simplify right side
    34,686.15x = 898,492,258.57
  5. Step 5: Solve for x
    x = 898,492,258.57/34,686.15
  6. Step 6: Final answer
    x = 25,903.49

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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.