Home / 43,127.40-64,669.21-19,733.79

Finding the Fourth Proportional to 43,127.40, 64,669.21 and 19,733.79

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Solution

The fourth proportional to 43,127.40, 64,669.21 and 19,733.79 is: 29,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.40 : 64,669.21 = 19,733.79 : x
  2. Step 2: Convert to fraction form
    43,127.40/64,669.21 = 19,733.79/x
  3. Step 3: Cross multiply
    43,127.40x = 64,669.21 × 19,733.79
  4. Step 4: Simplify right side
    43,127.40x = 1,276,168,609.61
  5. Step 5: Solve for x
    x = 1,276,168,609.61/43,127.40
  6. Step 6: Final answer
    x = 29,590.67

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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.