Home / 35,915.65-49,565.37-19,999.77

Finding the Fourth Proportional to 35,915.65, 49,565.37 and 19,999.77

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Solution

The fourth proportional to 35,915.65, 49,565.37 and 19,999.77 is: 27,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.65 : 49,565.37 = 19,999.77 : x
  2. Step 2: Convert to fraction form
    35,915.65/49,565.37 = 19,999.77/x
  3. Step 3: Cross multiply
    35,915.65x = 49,565.37 × 19,999.77
  4. Step 4: Simplify right side
    35,915.65x = 991,295,999.96
  5. Step 5: Solve for x
    x = 991,295,999.96/35,915.65
  6. Step 6: Final answer
    x = 27,600.67

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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.