Home / 53,557.56-80,343.60-18,499.92

Finding the Fourth Proportional to 53,557.56, 80,343.60 and 18,499.92

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Solution

The fourth proportional to 53,557.56, 80,343.60 and 18,499.92 is: 27,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,557.56 : 80,343.60 = 18,499.92 : x
  2. Step 2: Convert to fraction form
    53,557.56/80,343.60 = 18,499.92/x
  3. Step 3: Cross multiply
    53,557.56x = 80,343.60 × 18,499.92
  4. Step 4: Simplify right side
    53,557.56x = 1,486,350,172.51
  5. Step 5: Solve for x
    x = 1,486,350,172.51/53,557.56
  6. Step 6: Final answer
    x = 27,752.39

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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.