Home / 42,772.93-64,170.32-17,804.68

Finding the Fourth Proportional to 42,772.93, 64,170.32 and 17,804.68

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Solution

The fourth proportional to 42,772.93, 64,170.32 and 17,804.68 is: 26,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772.93 : 64,170.32 = 17,804.68 : x
  2. Step 2: Convert to fraction form
    42,772.93/64,170.32 = 17,804.68/x
  3. Step 3: Cross multiply
    42,772.93x = 64,170.32 × 17,804.68
  4. Step 4: Simplify right side
    42,772.93x = 1,142,531,763.65
  5. Step 5: Solve for x
    x = 1,142,531,763.65/42,772.93
  6. Step 6: Final answer
    x = 26,711.56

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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.