Home / 38,000.81-56,915.56-18,294.12

Finding the Fourth Proportional to 38,000.81, 56,915.56 and 18,294.12

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Solution

The fourth proportional to 38,000.81, 56,915.56 and 18,294.12 is: 27,399.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000.81 : 56,915.56 = 18,294.12 : x
  2. Step 2: Convert to fraction form
    38,000.81/56,915.56 = 18,294.12/x
  3. Step 3: Cross multiply
    38,000.81x = 56,915.56 × 18,294.12
  4. Step 4: Simplify right side
    38,000.81x = 1,041,220,084.51
  5. Step 5: Solve for x
    x = 1,041,220,084.51/38,000.81
  6. Step 6: Final answer
    x = 27,399.94

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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.