Home / 32,816.10-45,285.80-18,668.90

Finding the Fourth Proportional to 32,816.10, 45,285.80 and 18,668.90

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Solution

The fourth proportional to 32,816.10, 45,285.80 and 18,668.90 is: 25,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,816.10 : 45,285.80 = 18,668.90 : x
  2. Step 2: Convert to fraction form
    32,816.10/45,285.80 = 18,668.90/x
  3. Step 3: Cross multiply
    32,816.10x = 45,285.80 × 18,668.90
  4. Step 4: Simplify right side
    32,816.10x = 845,436,071.62
  5. Step 5: Solve for x
    x = 845,436,071.62/32,816.10
  6. Step 6: Final answer
    x = 25,762.84

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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.