Home / 32,918.64-45,430.56-18,772.08

Finding the Fourth Proportional to 32,918.64, 45,430.56 and 18,772.08

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Solution

The fourth proportional to 32,918.64, 45,430.56 and 18,772.08 is: 25,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.64 : 45,430.56 = 18,772.08 : x
  2. Step 2: Convert to fraction form
    32,918.64/45,430.56 = 18,772.08/x
  3. Step 3: Cross multiply
    32,918.64x = 45,430.56 × 18,772.08
  4. Step 4: Simplify right side
    32,918.64x = 852,826,106.76
  5. Step 5: Solve for x
    x = 852,826,106.76/32,918.64
  6. Step 6: Final answer
    x = 25,907.09

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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.