Home / 34,280.40-47,307.30-20,133.48

Finding the Fourth Proportional to 34,280.40, 47,307.30 and 20,133.48

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Solution

The fourth proportional to 34,280.40, 47,307.30 and 20,133.48 is: 27,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,280.40 : 47,307.30 = 20,133.48 : x
  2. Step 2: Convert to fraction form
    34,280.40/47,307.30 = 20,133.48/x
  3. Step 3: Cross multiply
    34,280.40x = 47,307.30 × 20,133.48
  4. Step 4: Simplify right side
    34,280.40x = 952,460,578.40
  5. Step 5: Solve for x
    x = 952,460,578.40/34,280.40
  6. Step 6: Final answer
    x = 27,784.41

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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.