Home / 42,868.90-64,313.48-17,895.07

Finding the Fourth Proportional to 42,868.90, 64,313.48 and 17,895.07

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Solution

The fourth proportional to 42,868.90, 64,313.48 and 17,895.07 is: 26,846.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868.90 : 64,313.48 = 17,895.07 : x
  2. Step 2: Convert to fraction form
    42,868.90/64,313.48 = 17,895.07/x
  3. Step 3: Cross multiply
    42,868.90x = 64,313.48 × 17,895.07
  4. Step 4: Simplify right side
    42,868.90x = 1,150,894,226.54
  5. Step 5: Solve for x
    x = 1,150,894,226.54/42,868.90
  6. Step 6: Final answer
    x = 26,846.83

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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.