Home / 31,829.52-43,925-17,683.76

Finding the Fourth Proportional to 31,829.52, 43,925 and 17,683.76

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Solution

The fourth proportional to 31,829.52, 43,925 and 17,683.76 is: 24,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829.52 : 43,925 = 17,683.76 : x
  2. Step 2: Convert to fraction form
    31,829.52/43,925 = 17,683.76/x
  3. Step 3: Cross multiply
    31,829.52x = 43,925 × 17,683.76
  4. Step 4: Simplify right side
    31,829.52x = 776,759,158.00
  5. Step 5: Solve for x
    x = 776,759,158.00/31,829.52
  6. Step 6: Final answer
    x = 24,403.73

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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.