Home / 39,553.63-59,339.33-13,257.70

Finding the Fourth Proportional to 39,553.63, 59,339.33 and 13,257.70

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Solution

The fourth proportional to 39,553.63, 59,339.33 and 13,257.70 is: 19,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,553.63 : 59,339.33 = 13,257.70 : x
  2. Step 2: Convert to fraction form
    39,553.63/59,339.33 = 13,257.70/x
  3. Step 3: Cross multiply
    39,553.63x = 59,339.33 × 13,257.70
  4. Step 4: Simplify right side
    39,553.63x = 786,703,068.49
  5. Step 5: Solve for x
    x = 786,703,068.49/39,553.63
  6. Step 6: Final answer
    x = 19,889.53

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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.