Home / 53,539.56-73,882.60-30,879.50

Finding the Fourth Proportional to 53,539.56, 73,882.60 and 30,879.50

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Solution

The fourth proportional to 53,539.56, 73,882.60 and 30,879.50 is: 42,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,539.56 : 73,882.60 = 30,879.50 : x
  2. Step 2: Convert to fraction form
    53,539.56/73,882.60 = 30,879.50/x
  3. Step 3: Cross multiply
    53,539.56x = 73,882.60 × 30,879.50
  4. Step 4: Simplify right side
    53,539.56x = 2,281,457,746.70
  5. Step 5: Solve for x
    x = 2,281,457,746.70/53,539.56
  6. Step 6: Final answer
    x = 42,612.56

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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.