Home / 30,531.28-42,096.30-23,727.28

Finding the Fourth Proportional to 30,531.28, 42,096.30 and 23,727.28

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Solution

The fourth proportional to 30,531.28, 42,096.30 and 23,727.28 is: 32,715.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.28 : 42,096.30 = 23,727.28 : x
  2. Step 2: Convert to fraction form
    30,531.28/42,096.30 = 23,727.28/x
  3. Step 3: Cross multiply
    30,531.28x = 42,096.30 × 23,727.28
  4. Step 4: Simplify right side
    30,531.28x = 998,830,697.06
  5. Step 5: Solve for x
    x = 998,830,697.06/30,531.28
  6. Step 6: Final answer
    x = 32,715.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.