Home / 39,180.58-54,068.22-22,412.50

Finding the Fourth Proportional to 39,180.58, 54,068.22 and 22,412.50

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Solution

The fourth proportional to 39,180.58, 54,068.22 and 22,412.50 is: 30,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.58 : 54,068.22 = 22,412.50 : x
  2. Step 2: Convert to fraction form
    39,180.58/54,068.22 = 22,412.50/x
  3. Step 3: Cross multiply
    39,180.58x = 54,068.22 × 22,412.50
  4. Step 4: Simplify right side
    39,180.58x = 1,211,803,980.75
  5. Step 5: Solve for x
    x = 1,211,803,980.75/39,180.58
  6. Step 6: Final answer
    x = 30,928.69

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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.