Home / 39,088.76-58,638.02-12,786.44

Finding the Fourth Proportional to 39,088.76, 58,638.02 and 12,786.44

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Solution

The fourth proportional to 39,088.76, 58,638.02 and 12,786.44 is: 19,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,088.76 : 58,638.02 = 12,786.44 : x
  2. Step 2: Convert to fraction form
    39,088.76/58,638.02 = 12,786.44/x
  3. Step 3: Cross multiply
    39,088.76x = 58,638.02 × 12,786.44
  4. Step 4: Simplify right side
    39,088.76x = 749,771,524.45
  5. Step 5: Solve for x
    x = 749,771,524.45/39,088.76
  6. Step 6: Final answer
    x = 19,181.26

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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.