Home / 30,411.68-45,611.04-23,387.36

Finding the Fourth Proportional to 30,411.68, 45,611.04 and 23,387.36

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Solution

The fourth proportional to 30,411.68, 45,611.04 and 23,387.36 is: 35,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.68 : 45,611.04 = 23,387.36 : x
  2. Step 2: Convert to fraction form
    30,411.68/45,611.04 = 23,387.36/x
  3. Step 3: Cross multiply
    30,411.68x = 45,611.04 × 23,387.36
  4. Step 4: Simplify right side
    30,411.68x = 1,066,721,812.45
  5. Step 5: Solve for x
    x = 1,066,721,812.45/30,411.68
  6. Step 6: Final answer
    x = 35,076.06

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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.