Home / 59,986.03-89,880.31-20,521.57

Finding the Fourth Proportional to 59,986.03, 89,880.31 and 20,521.57

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Solution

The fourth proportional to 59,986.03, 89,880.31 and 20,521.57 is: 30,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,986.03 : 89,880.31 = 20,521.57 : x
  2. Step 2: Convert to fraction form
    59,986.03/89,880.31 = 20,521.57/x
  3. Step 3: Cross multiply
    59,986.03x = 89,880.31 × 20,521.57
  4. Step 4: Simplify right side
    59,986.03x = 1,844,485,073.29
  5. Step 5: Solve for x
    x = 1,844,485,073.29/59,986.03
  6. Step 6: Final answer
    x = 30,748.58

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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.