Home / 31,577.99-43,576.80-17,430.53

Finding the Fourth Proportional to 31,577.99, 43,576.80 and 17,430.53

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Solution

The fourth proportional to 31,577.99, 43,576.80 and 17,430.53 is: 24,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.99 : 43,576.80 = 17,430.53 : x
  2. Step 2: Convert to fraction form
    31,577.99/43,576.80 = 17,430.53/x
  3. Step 3: Cross multiply
    31,577.99x = 43,576.80 × 17,430.53
  4. Step 4: Simplify right side
    31,577.99x = 759,566,719.70
  5. Step 5: Solve for x
    x = 759,566,719.70/31,577.99
  6. Step 6: Final answer
    x = 24,053.68

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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.