Home / 42,709.07-64,063.84-28,011.07

Finding the Fourth Proportional to 42,709.07, 64,063.84 and 28,011.07

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Solution

The fourth proportional to 42,709.07, 64,063.84 and 28,011.07 is: 42,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709.07 : 64,063.84 = 28,011.07 : x
  2. Step 2: Convert to fraction form
    42,709.07/64,063.84 = 28,011.07/x
  3. Step 3: Cross multiply
    42,709.07x = 64,063.84 × 28,011.07
  4. Step 4: Simplify right side
    42,709.07x = 1,794,496,330.14
  5. Step 5: Solve for x
    x = 1,794,496,330.14/42,709.07
  6. Step 6: Final answer
    x = 42,016.75

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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.