Home / 31,177.55-43,024.32-17,030.45

Finding the Fourth Proportional to 31,177.55, 43,024.32 and 17,030.45

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Solution

The fourth proportional to 31,177.55, 43,024.32 and 17,030.45 is: 23,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.55 : 43,024.32 = 17,030.45 : x
  2. Step 2: Convert to fraction form
    31,177.55/43,024.32 = 17,030.45/x
  3. Step 3: Cross multiply
    31,177.55x = 43,024.32 × 17,030.45
  4. Step 4: Simplify right side
    31,177.55x = 732,723,530.54
  5. Step 5: Solve for x
    x = 732,723,530.54/31,177.55
  6. Step 6: Final answer
    x = 23,501.64

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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.