Home / 46,152.48-69,219.60-21,185.76

Finding the Fourth Proportional to 46,152.48, 69,219.60 and 21,185.76

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Solution

The fourth proportional to 46,152.48, 69,219.60 and 21,185.76 is: 31,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,152.48 : 69,219.60 = 21,185.76 : x
  2. Step 2: Convert to fraction form
    46,152.48/69,219.60 = 21,185.76/x
  3. Step 3: Cross multiply
    46,152.48x = 69,219.60 × 21,185.76
  4. Step 4: Simplify right side
    46,152.48x = 1,466,469,832.90
  5. Step 5: Solve for x
    x = 1,466,469,832.90/46,152.48
  6. Step 6: Final answer
    x = 31,774.45

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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.