Home / 38,699.94-58,058.12-12,423.14

Finding the Fourth Proportional to 38,699.94, 58,058.12 and 12,423.14

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Solution

The fourth proportional to 38,699.94, 58,058.12 and 12,423.14 is: 18,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,699.94 : 58,058.12 = 12,423.14 : x
  2. Step 2: Convert to fraction form
    38,699.94/58,058.12 = 12,423.14/x
  3. Step 3: Cross multiply
    38,699.94x = 58,058.12 × 12,423.14
  4. Step 4: Simplify right side
    38,699.94x = 721,263,800.49
  5. Step 5: Solve for x
    x = 721,263,800.49/38,699.94
  6. Step 6: Final answer
    x = 18,637.34

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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.