Home / 39,688.54-59,534.64-13,393.52

Finding the Fourth Proportional to 39,688.54, 59,534.64 and 13,393.52

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Solution

The fourth proportional to 39,688.54, 59,534.64 and 13,393.52 is: 20,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,688.54 : 59,534.64 = 13,393.52 : x
  2. Step 2: Convert to fraction form
    39,688.54/59,534.64 = 13,393.52/x
  3. Step 3: Cross multiply
    39,688.54x = 59,534.64 × 13,393.52
  4. Step 4: Simplify right side
    39,688.54x = 797,378,391.53
  5. Step 5: Solve for x
    x = 797,378,391.53/39,688.54
  6. Step 6: Final answer
    x = 20,090.90

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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.