Home / 39,816.08-59,733.30-13,520.81

Finding the Fourth Proportional to 39,816.08, 59,733.30 and 13,520.81

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Solution

The fourth proportional to 39,816.08, 59,733.30 and 13,520.81 is: 20,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,816.08 : 59,733.30 = 13,520.81 : x
  2. Step 2: Convert to fraction form
    39,816.08/59,733.30 = 13,520.81/x
  3. Step 3: Cross multiply
    39,816.08x = 59,733.30 × 13,520.81
  4. Step 4: Simplify right side
    39,816.08x = 807,642,301.31
  5. Step 5: Solve for x
    x = 807,642,301.31/39,816.08
  6. Step 6: Final answer
    x = 20,284.33

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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.