Home / 39,120.58-53,985.45-22,352.50

Finding the Fourth Proportional to 39,120.58, 53,985.45 and 22,352.50

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Solution

The fourth proportional to 39,120.58, 53,985.45 and 22,352.50 is: 30,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.58 : 53,985.45 = 22,352.50 : x
  2. Step 2: Convert to fraction form
    39,120.58/53,985.45 = 22,352.50/x
  3. Step 3: Cross multiply
    39,120.58x = 53,985.45 × 22,352.50
  4. Step 4: Simplify right side
    39,120.58x = 1,206,709,771.13
  5. Step 5: Solve for x
    x = 1,206,709,771.13/39,120.58
  6. Step 6: Final answer
    x = 30,845.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.