Home / 63,040.04-94,574.61-20,916.98

Finding the Fourth Proportional to 63,040.04, 94,574.61 and 20,916.98

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Solution

The fourth proportional to 63,040.04, 94,574.61 and 20,916.98 is: 31,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,040.04 : 94,574.61 = 20,916.98 : x
  2. Step 2: Convert to fraction form
    63,040.04/94,574.61 = 20,916.98/x
  3. Step 3: Cross multiply
    63,040.04x = 94,574.61 × 20,916.98
  4. Step 4: Simplify right side
    63,040.04x = 1,978,215,225.88
  5. Step 5: Solve for x
    x = 1,978,215,225.88/63,040.04
  6. Step 6: Final answer
    x = 31,380.30

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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.