Home / 60,601.50-90,877.41-21,145.32

Finding the Fourth Proportional to 60,601.50, 90,877.41 and 21,145.32

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Solution

The fourth proportional to 60,601.50, 90,877.41 and 21,145.32 is: 31,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,601.50 : 90,877.41 = 21,145.32 : x
  2. Step 2: Convert to fraction form
    60,601.50/90,877.41 = 21,145.32/x
  3. Step 3: Cross multiply
    60,601.50x = 90,877.41 × 21,145.32
  4. Step 4: Simplify right side
    60,601.50x = 1,921,631,915.22
  5. Step 5: Solve for x
    x = 1,921,631,915.22/60,601.50
  6. Step 6: Final answer
    x = 31,709.31

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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.