Home / 53,341.20-80,015.70-18,280.56

Finding the Fourth Proportional to 53,341.20, 80,015.70 and 18,280.56

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Solution

The fourth proportional to 53,341.20, 80,015.70 and 18,280.56 is: 27,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,341.20 : 80,015.70 = 18,280.56 : x
  2. Step 2: Convert to fraction form
    53,341.20/80,015.70 = 18,280.56/x
  3. Step 3: Cross multiply
    53,341.20x = 80,015.70 × 18,280.56
  4. Step 4: Simplify right side
    53,341.20x = 1,462,731,804.79
  5. Step 5: Solve for x
    x = 1,462,731,804.79/53,341.20
  6. Step 6: Final answer
    x = 27,422.18

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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.