Home / 39,000.74-58,501.06-12,705.44

Finding the Fourth Proportional to 39,000.74, 58,501.06 and 12,705.44

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Solution

The fourth proportional to 39,000.74, 58,501.06 and 12,705.44 is: 19,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.74 : 58,501.06 = 12,705.44 : x
  2. Step 2: Convert to fraction form
    39,000.74/58,501.06 = 12,705.44/x
  3. Step 3: Cross multiply
    39,000.74x = 58,501.06 × 12,705.44
  4. Step 4: Simplify right side
    39,000.74x = 743,281,383.50
  5. Step 5: Solve for x
    x = 743,281,383.50/39,000.74
  6. Step 6: Final answer
    x = 19,058.14

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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.