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Finding the Fourth Proportional to 32,666.92, 45,078.57 and 19,235.08

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Solution

The fourth proportional to 32,666.92, 45,078.57 and 19,235.08 is: 26,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.92 : 45,078.57 = 19,235.08 : x
  2. Step 2: Convert to fraction form
    32,666.92/45,078.57 = 19,235.08/x
  3. Step 3: Cross multiply
    32,666.92x = 45,078.57 × 19,235.08
  4. Step 4: Simplify right side
    32,666.92x = 867,089,900.24
  5. Step 5: Solve for x
    x = 867,089,900.24/32,666.92
  6. Step 6: Final answer
    x = 26,543.36

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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.