Home / 38,717.83-58,053.50-13,409

Finding the Fourth Proportional to 38,717.83, 58,053.50 and 13,409

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Solution

The fourth proportional to 38,717.83, 58,053.50 and 13,409 is: 20,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.83 : 58,053.50 = 13,409 : x
  2. Step 2: Convert to fraction form
    38,717.83/58,053.50 = 13,409/x
  3. Step 3: Cross multiply
    38,717.83x = 58,053.50 × 13,409
  4. Step 4: Simplify right side
    38,717.83x = 778,439,381.50
  5. Step 5: Solve for x
    x = 778,439,381.50/38,717.83
  6. Step 6: Final answer
    x = 20,105.45

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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.