Home / 39,007.02-58,515.40-12,704.70

Finding the Fourth Proportional to 39,007.02, 58,515.40 and 12,704.70

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Solution

The fourth proportional to 39,007.02, 58,515.40 and 12,704.70 is: 19,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.02 : 58,515.40 = 12,704.70 : x
  2. Step 2: Convert to fraction form
    39,007.02/58,515.40 = 12,704.70/x
  3. Step 3: Cross multiply
    39,007.02x = 58,515.40 × 12,704.70
  4. Step 4: Simplify right side
    39,007.02x = 743,420,602.38
  5. Step 5: Solve for x
    x = 743,420,602.38/39,007.02
  6. Step 6: Final answer
    x = 19,058.64

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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.