Home / 30,898.60-46,233.06-18,425.40

Finding the Fourth Proportional to 30,898.60, 46,233.06 and 18,425.40

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Solution

The fourth proportional to 30,898.60, 46,233.06 and 18,425.40 is: 27,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.60 : 46,233.06 = 18,425.40 : x
  2. Step 2: Convert to fraction form
    30,898.60/46,233.06 = 18,425.40/x
  3. Step 3: Cross multiply
    30,898.60x = 46,233.06 × 18,425.40
  4. Step 4: Simplify right side
    30,898.60x = 851,862,623.72
  5. Step 5: Solve for x
    x = 851,862,623.72/30,898.60
  6. Step 6: Final answer
    x = 27,569.62

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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.