Home / 34,281.28-47,303.28-19,940.64

Finding the Fourth Proportional to 34,281.28, 47,303.28 and 19,940.64

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Solution

The fourth proportional to 34,281.28, 47,303.28 and 19,940.64 is: 27,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.28 : 47,303.28 = 19,940.64 : x
  2. Step 2: Convert to fraction form
    34,281.28/47,303.28 = 19,940.64/x
  3. Step 3: Cross multiply
    34,281.28x = 47,303.28 × 19,940.64
  4. Step 4: Simplify right side
    34,281.28x = 943,257,677.30
  5. Step 5: Solve for x
    x = 943,257,677.30/34,281.28
  6. Step 6: Final answer
    x = 27,515.24

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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.