Home / 32,660.07-45,071.69-19,913.91

Finding the Fourth Proportional to 32,660.07, 45,071.69 and 19,913.91

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Solution

The fourth proportional to 32,660.07, 45,071.69 and 19,913.91 is: 27,481.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,660.07 : 45,071.69 = 19,913.91 : x
  2. Step 2: Convert to fraction form
    32,660.07/45,071.69 = 19,913.91/x
  3. Step 3: Cross multiply
    32,660.07x = 45,071.69 × 19,913.91
  4. Step 4: Simplify right side
    32,660.07x = 897,553,478.64
  5. Step 5: Solve for x
    x = 897,553,478.64/32,660.07
  6. Step 6: Final answer
    x = 27,481.68

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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.