Home / 39,636.09-59,454.45-13,340.45

Finding the Fourth Proportional to 39,636.09, 59,454.45 and 13,340.45

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Solution

The fourth proportional to 39,636.09, 59,454.45 and 13,340.45 is: 20,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.09 : 59,454.45 = 13,340.45 : x
  2. Step 2: Convert to fraction form
    39,636.09/59,454.45 = 13,340.45/x
  3. Step 3: Cross multiply
    39,636.09x = 59,454.45 × 13,340.45
  4. Step 4: Simplify right side
    39,636.09x = 793,149,117.50
  5. Step 5: Solve for x
    x = 793,149,117.50/39,636.09
  6. Step 6: Final answer
    x = 20,010.78

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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.