Home / 66,064.05-99,058.93-21,687.08

Finding the Fourth Proportional to 66,064.05, 99,058.93 and 21,687.08

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Solution

The fourth proportional to 66,064.05, 99,058.93 and 21,687.08 is: 32,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,064.05 : 99,058.93 = 21,687.08 : x
  2. Step 2: Convert to fraction form
    66,064.05/99,058.93 = 21,687.08/x
  3. Step 3: Cross multiply
    66,064.05x = 99,058.93 × 21,687.08
  4. Step 4: Simplify right side
    66,064.05x = 2,148,299,133.05
  5. Step 5: Solve for x
    x = 2,148,299,133.05/66,064.05
  6. Step 6: Final answer
    x = 32,518.43

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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.