Home / 42,409.22-63,516.93-20,238.16

Finding the Fourth Proportional to 42,409.22, 63,516.93 and 20,238.16

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Solution

The fourth proportional to 42,409.22, 63,516.93 and 20,238.16 is: 30,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,409.22 : 63,516.93 = 20,238.16 : x
  2. Step 2: Convert to fraction form
    42,409.22/63,516.93 = 20,238.16/x
  3. Step 3: Cross multiply
    42,409.22x = 63,516.93 × 20,238.16
  4. Step 4: Simplify right side
    42,409.22x = 1,285,465,801.88
  5. Step 5: Solve for x
    x = 1,285,465,801.88/42,409.22
  6. Step 6: Final answer
    x = 30,311.00

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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.