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Finding the Fourth Proportional to 60,018.53, 90,018.34 and 37,763.78

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Solution

The fourth proportional to 60,018.53, 90,018.34 and 37,763.78 is: 56,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.53 : 90,018.34 = 37,763.78 : x
  2. Step 2: Convert to fraction form
    60,018.53/90,018.34 = 37,763.78/x
  3. Step 3: Cross multiply
    60,018.53x = 90,018.34 × 37,763.78
  4. Step 4: Simplify right side
    60,018.53x = 3,399,432,243.22
  5. Step 5: Solve for x
    x = 3,399,432,243.22/60,018.53
  6. Step 6: Final answer
    x = 56,639.72

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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.