Home / 38,997.89-58,501.70-12,695.57

Finding the Fourth Proportional to 38,997.89, 58,501.70 and 12,695.57

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Solution

The fourth proportional to 38,997.89, 58,501.70 and 12,695.57 is: 19,044.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,997.89 : 58,501.70 = 12,695.57 : x
  2. Step 2: Convert to fraction form
    38,997.89/58,501.70 = 12,695.57/x
  3. Step 3: Cross multiply
    38,997.89x = 58,501.70 × 12,695.57
  4. Step 4: Simplify right side
    38,997.89x = 742,712,071.48
  5. Step 5: Solve for x
    x = 742,712,071.48/38,997.89
  6. Step 6: Final answer
    x = 19,044.93

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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.