Home / 31,908.52-44,038.98-18,485.80

Finding the Fourth Proportional to 31,908.52, 44,038.98 and 18,485.80

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Solution

The fourth proportional to 31,908.52, 44,038.98 and 18,485.80 is: 25,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.52 : 44,038.98 = 18,485.80 : x
  2. Step 2: Convert to fraction form
    31,908.52/44,038.98 = 18,485.80/x
  3. Step 3: Cross multiply
    31,908.52x = 44,038.98 × 18,485.80
  4. Step 4: Simplify right side
    31,908.52x = 814,095,776.48
  5. Step 5: Solve for x
    x = 814,095,776.48/31,908.52
  6. Step 6: Final answer
    x = 25,513.43

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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.