Home / 31,093.93-42,909.63-16,946.77

Finding the Fourth Proportional to 31,093.93, 42,909.63 and 16,946.77

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Solution

The fourth proportional to 31,093.93, 42,909.63 and 16,946.77 is: 23,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.93 : 42,909.63 = 16,946.77 : x
  2. Step 2: Convert to fraction form
    31,093.93/42,909.63 = 16,946.77/x
  3. Step 3: Cross multiply
    31,093.93x = 42,909.63 × 16,946.77
  4. Step 4: Simplify right side
    31,093.93x = 727,179,545.66
  5. Step 5: Solve for x
    x = 727,179,545.66/31,093.93
  6. Step 6: Final answer
    x = 23,386.54

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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.