Home / 42,406.84-63,594.06-20,203.24

Finding the Fourth Proportional to 42,406.84, 63,594.06 and 20,203.24

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Solution

The fourth proportional to 42,406.84, 63,594.06 and 20,203.24 is: 30,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.84 : 63,594.06 = 20,203.24 : x
  2. Step 2: Convert to fraction form
    42,406.84/63,594.06 = 20,203.24/x
  3. Step 3: Cross multiply
    42,406.84x = 63,594.06 × 20,203.24
  4. Step 4: Simplify right side
    42,406.84x = 1,284,806,056.75
  5. Step 5: Solve for x
    x = 1,284,806,056.75/42,406.84
  6. Step 6: Final answer
    x = 30,297.14

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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.