Home / 39,388.77-59,057.03-20,646.18

Finding the Fourth Proportional to 39,388.77, 59,057.03 and 20,646.18

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Solution

The fourth proportional to 39,388.77, 59,057.03 and 20,646.18 is: 30,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388.77 : 59,057.03 = 20,646.18 : x
  2. Step 2: Convert to fraction form
    39,388.77/59,057.03 = 20,646.18/x
  3. Step 3: Cross multiply
    39,388.77x = 59,057.03 × 20,646.18
  4. Step 4: Simplify right side
    39,388.77x = 1,219,302,123.26
  5. Step 5: Solve for x
    x = 1,219,302,123.26/39,388.77
  6. Step 6: Final answer
    x = 30,955.58

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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.