Home / 34,261.35-47,280.36-18,947.90

Finding the Fourth Proportional to 34,261.35, 47,280.36 and 18,947.90

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Solution

The fourth proportional to 34,261.35, 47,280.36 and 18,947.90 is: 26,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,261.35 : 47,280.36 = 18,947.90 : x
  2. Step 2: Convert to fraction form
    34,261.35/47,280.36 = 18,947.90/x
  3. Step 3: Cross multiply
    34,261.35x = 47,280.36 × 18,947.90
  4. Step 4: Simplify right side
    34,261.35x = 895,863,482.94
  5. Step 5: Solve for x
    x = 895,863,482.94/34,261.35
  6. Step 6: Final answer
    x = 26,147.93

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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.