Home / 46,921.56-70,385.58-13,641.90

Finding the Fourth Proportional to 46,921.56, 70,385.58 and 13,641.90

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Solution

The fourth proportional to 46,921.56, 70,385.58 and 13,641.90 is: 20,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,921.56 : 70,385.58 = 13,641.90 : x
  2. Step 2: Convert to fraction form
    46,921.56/70,385.58 = 13,641.90/x
  3. Step 3: Cross multiply
    46,921.56x = 70,385.58 × 13,641.90
  4. Step 4: Simplify right side
    46,921.56x = 960,193,043.80
  5. Step 5: Solve for x
    x = 960,193,043.80/46,921.56
  6. Step 6: Final answer
    x = 20,463.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.