Home / 39,660.81-59,453.85-13,347.15

Finding the Fourth Proportional to 39,660.81, 59,453.85 and 13,347.15

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Solution

The fourth proportional to 39,660.81, 59,453.85 and 13,347.15 is: 20,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.81 : 59,453.85 = 13,347.15 : x
  2. Step 2: Convert to fraction form
    39,660.81/59,453.85 = 13,347.15/x
  3. Step 3: Cross multiply
    39,660.81x = 59,453.85 × 13,347.15
  4. Step 4: Simplify right side
    39,660.81x = 793,539,454.03
  5. Step 5: Solve for x
    x = 793,539,454.03/39,660.81
  6. Step 6: Final answer
    x = 20,008.15

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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.