Home / 38,312.79-57,466.80-18,336.47

Finding the Fourth Proportional to 38,312.79, 57,466.80 and 18,336.47

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Solution

The fourth proportional to 38,312.79, 57,466.80 and 18,336.47 is: 27,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.79 : 57,466.80 = 18,336.47 : x
  2. Step 2: Convert to fraction form
    38,312.79/57,466.80 = 18,336.47/x
  3. Step 3: Cross multiply
    38,312.79x = 57,466.80 × 18,336.47
  4. Step 4: Simplify right side
    38,312.79x = 1,053,738,254.20
  5. Step 5: Solve for x
    x = 1,053,738,254.20/38,312.79
  6. Step 6: Final answer
    x = 27,503.56

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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.