Home / 39,270.48-58,893.24-12,970.32

Finding the Fourth Proportional to 39,270.48, 58,893.24 and 12,970.32

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Solution

The fourth proportional to 39,270.48, 58,893.24 and 12,970.32 is: 19,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270.48 : 58,893.24 = 12,970.32 : x
  2. Step 2: Convert to fraction form
    39,270.48/58,893.24 = 12,970.32/x
  3. Step 3: Cross multiply
    39,270.48x = 58,893.24 × 12,970.32
  4. Step 4: Simplify right side
    39,270.48x = 763,864,168.64
  5. Step 5: Solve for x
    x = 763,864,168.64/39,270.48
  6. Step 6: Final answer
    x = 19,451.36

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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.