Home / 39,688.36-59,501.82-17,785

Finding the Fourth Proportional to 39,688.36, 59,501.82 and 17,785

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Solution

The fourth proportional to 39,688.36, 59,501.82 and 17,785 is: 26,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,688.36 : 59,501.82 = 17,785 : x
  2. Step 2: Convert to fraction form
    39,688.36/59,501.82 = 17,785/x
  3. Step 3: Cross multiply
    39,688.36x = 59,501.82 × 17,785
  4. Step 4: Simplify right side
    39,688.36x = 1,058,239,868.70
  5. Step 5: Solve for x
    x = 1,058,239,868.70/39,688.36
  6. Step 6: Final answer
    x = 26,663.73

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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.