Home / 42,858.45-64,298.61-16,556.13

Finding the Fourth Proportional to 42,858.45, 64,298.61 and 16,556.13

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Solution

The fourth proportional to 42,858.45, 64,298.61 and 16,556.13 is: 24,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.45 : 64,298.61 = 16,556.13 : x
  2. Step 2: Convert to fraction form
    42,858.45/64,298.61 = 16,556.13/x
  3. Step 3: Cross multiply
    42,858.45x = 64,298.61 × 16,556.13
  4. Step 4: Simplify right side
    42,858.45x = 1,064,536,145.98
  5. Step 5: Solve for x
    x = 1,064,536,145.98/42,858.45
  6. Step 6: Final answer
    x = 24,838.42

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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.