Home / 39,735.40-59,516.70-21,245.80

Finding the Fourth Proportional to 39,735.40, 59,516.70 and 21,245.80

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Solution

The fourth proportional to 39,735.40, 59,516.70 and 21,245.80 is: 31,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.40 : 59,516.70 = 21,245.80 : x
  2. Step 2: Convert to fraction form
    39,735.40/59,516.70 = 21,245.80/x
  3. Step 3: Cross multiply
    39,735.40x = 59,516.70 × 21,245.80
  4. Step 4: Simplify right side
    39,735.40x = 1,264,479,904.86
  5. Step 5: Solve for x
    x = 1,264,479,904.86/39,735.40
  6. Step 6: Final answer
    x = 31,822.50

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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.