Home / 35,693.74-49,260.36-19,779.67

Finding the Fourth Proportional to 35,693.74, 49,260.36 and 19,779.67

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Solution

The fourth proportional to 35,693.74, 49,260.36 and 19,779.67 is: 27,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.74 : 49,260.36 = 19,779.67 : x
  2. Step 2: Convert to fraction form
    35,693.74/49,260.36 = 19,779.67/x
  3. Step 3: Cross multiply
    35,693.74x = 49,260.36 × 19,779.67
  4. Step 4: Simplify right side
    35,693.74x = 974,353,664.88
  5. Step 5: Solve for x
    x = 974,353,664.88/35,693.74
  6. Step 6: Final answer
    x = 27,297.61

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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.