Home / 30,957.84-46,430.60-15,156.09

Finding the Fourth Proportional to 30,957.84, 46,430.60 and 15,156.09

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Solution

The fourth proportional to 30,957.84, 46,430.60 and 15,156.09 is: 22,731.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,957.84 : 46,430.60 = 15,156.09 : x
  2. Step 2: Convert to fraction form
    30,957.84/46,430.60 = 15,156.09/x
  3. Step 3: Cross multiply
    30,957.84x = 46,430.60 × 15,156.09
  4. Step 4: Simplify right side
    30,957.84x = 703,706,276.57
  5. Step 5: Solve for x
    x = 703,706,276.57/30,957.84
  6. Step 6: Final answer
    x = 22,731.12

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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.