Home / 38,695.01-58,044.32-12,399.98

Finding the Fourth Proportional to 38,695.01, 58,044.32 and 12,399.98

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Solution

The fourth proportional to 38,695.01, 58,044.32 and 12,399.98 is: 18,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,695.01 : 58,044.32 = 12,399.98 : x
  2. Step 2: Convert to fraction form
    38,695.01/58,044.32 = 12,399.98/x
  3. Step 3: Cross multiply
    38,695.01x = 58,044.32 × 12,399.98
  4. Step 4: Simplify right side
    38,695.01x = 719,748,054.89
  5. Step 5: Solve for x
    x = 719,748,054.89/38,695.01
  6. Step 6: Final answer
    x = 18,600.54

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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.