Home / 46,272.96-69,405.12-19,972.80

Finding the Fourth Proportional to 46,272.96, 69,405.12 and 19,972.80

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Solution

The fourth proportional to 46,272.96, 69,405.12 and 19,972.80 is: 29,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,272.96 : 69,405.12 = 19,972.80 : x
  2. Step 2: Convert to fraction form
    46,272.96/69,405.12 = 19,972.80/x
  3. Step 3: Cross multiply
    46,272.96x = 69,405.12 × 19,972.80
  4. Step 4: Simplify right side
    46,272.96x = 1,386,214,580.74
  5. Step 5: Solve for x
    x = 1,386,214,580.74/46,272.96
  6. Step 6: Final answer
    x = 29,957.34

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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.