Home / 39,353.78-59,031.39-14,393.81

Finding the Fourth Proportional to 39,353.78, 59,031.39 and 14,393.81

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Solution

The fourth proportional to 39,353.78, 59,031.39 and 14,393.81 is: 21,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.78 : 59,031.39 = 14,393.81 : x
  2. Step 2: Convert to fraction form
    39,353.78/59,031.39 = 14,393.81/x
  3. Step 3: Cross multiply
    39,353.78x = 59,031.39 × 14,393.81
  4. Step 4: Simplify right side
    39,353.78x = 849,686,611.70
  5. Step 5: Solve for x
    x = 849,686,611.70/39,353.78
  6. Step 6: Final answer
    x = 21,590.98

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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.