Home / 34,701.81-47,888.88-18,786.60

Finding the Fourth Proportional to 34,701.81, 47,888.88 and 18,786.60

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Solution

The fourth proportional to 34,701.81, 47,888.88 and 18,786.60 is: 25,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,701.81 : 47,888.88 = 18,786.60 : x
  2. Step 2: Convert to fraction form
    34,701.81/47,888.88 = 18,786.60/x
  3. Step 3: Cross multiply
    34,701.81x = 47,888.88 × 18,786.60
  4. Step 4: Simplify right side
    34,701.81x = 899,669,233.01
  5. Step 5: Solve for x
    x = 899,669,233.01/34,701.81
  6. Step 6: Final answer
    x = 25,925.71

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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.