Home / 34,729.40-47,926.80-18,813.86

Finding the Fourth Proportional to 34,729.40, 47,926.80 and 18,813.86

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Solution

The fourth proportional to 34,729.40, 47,926.80 and 18,813.86 is: 25,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,729.40 : 47,926.80 = 18,813.86 : x
  2. Step 2: Convert to fraction form
    34,729.40/47,926.80 = 18,813.86/x
  3. Step 3: Cross multiply
    34,729.40x = 47,926.80 × 18,813.86
  4. Step 4: Simplify right side
    34,729.40x = 901,688,105.45
  5. Step 5: Solve for x
    x = 901,688,105.45/34,729.40
  6. Step 6: Final answer
    x = 25,963.25

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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.