Home / 31,908.23-47,862.35-14,357.55

Finding the Fourth Proportional to 31,908.23, 47,862.35 and 14,357.55

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Solution

The fourth proportional to 31,908.23, 47,862.35 and 14,357.55 is: 21,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.23 : 47,862.35 = 14,357.55 : x
  2. Step 2: Convert to fraction form
    31,908.23/47,862.35 = 14,357.55/x
  3. Step 3: Cross multiply
    31,908.23x = 47,862.35 × 14,357.55
  4. Step 4: Simplify right side
    31,908.23x = 687,186,011.45
  5. Step 5: Solve for x
    x = 687,186,011.45/31,908.23
  6. Step 6: Final answer
    x = 21,536.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.