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Finding the Fourth Proportional to 39,393, 59,089.39 and 9,810.86

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Solution

The fourth proportional to 39,393, 59,089.39 and 9,810.86 is: 14,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393 : 59,089.39 = 9,810.86 : x
  2. Step 2: Convert to fraction form
    39,393/59,089.39 = 9,810.86/x
  3. Step 3: Cross multiply
    39,393x = 59,089.39 × 9,810.86
  4. Step 4: Simplify right side
    39,393x = 579,717,412.80
  5. Step 5: Solve for x
    x = 579,717,412.80/39,393
  6. Step 6: Final answer
    x = 14,716.25

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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.