Home / 145,005.96-217,467.18-39,828.36

Finding the Fourth Proportional to 145,005.96, 217,467.18 and 39,828.36

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Solution

The fourth proportional to 145,005.96, 217,467.18 and 39,828.36 is: 59,731.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,005.96 : 217,467.18 = 39,828.36 : x
  2. Step 2: Convert to fraction form
    145,005.96/217,467.18 = 39,828.36/x
  3. Step 3: Cross multiply
    145,005.96x = 217,467.18 × 39,828.36
  4. Step 4: Simplify right side
    145,005.96x = 8,661,361,133.22
  5. Step 5: Solve for x
    x = 8,661,361,133.22/145,005.96
  6. Step 6: Final answer
    x = 59,731.07

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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.