Home / 39,688.67-59,538.26-20,969.44

Finding the Fourth Proportional to 39,688.67, 59,538.26 and 20,969.44

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Solution

The fourth proportional to 39,688.67, 59,538.26 and 20,969.44 is: 31,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,688.67 : 59,538.26 = 20,969.44 : x
  2. Step 2: Convert to fraction form
    39,688.67/59,538.26 = 20,969.44/x
  3. Step 3: Cross multiply
    39,688.67x = 59,538.26 × 20,969.44
  4. Step 4: Simplify right side
    39,688.67x = 1,248,484,058.72
  5. Step 5: Solve for x
    x = 1,248,484,058.72/39,688.67
  6. Step 6: Final answer
    x = 31,456.94

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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.