Home / 35,655.42-53,424.80-18,997.78

Finding the Fourth Proportional to 35,655.42, 53,424.80 and 18,997.78

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Solution

The fourth proportional to 35,655.42, 53,424.80 and 18,997.78 is: 28,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.42 : 53,424.80 = 18,997.78 : x
  2. Step 2: Convert to fraction form
    35,655.42/53,424.80 = 18,997.78/x
  3. Step 3: Cross multiply
    35,655.42x = 53,424.80 × 18,997.78
  4. Step 4: Simplify right side
    35,655.42x = 1,014,952,596.94
  5. Step 5: Solve for x
    x = 1,014,952,596.94/35,655.42
  6. Step 6: Final answer
    x = 28,465.59

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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.