Home / 42,468.36-63,701.46-20,297.40

Finding the Fourth Proportional to 42,468.36, 63,701.46 and 20,297.40

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Solution

The fourth proportional to 42,468.36, 63,701.46 and 20,297.40 is: 30,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,468.36 : 63,701.46 = 20,297.40 : x
  2. Step 2: Convert to fraction form
    42,468.36/63,701.46 = 20,297.40/x
  3. Step 3: Cross multiply
    42,468.36x = 63,701.46 × 20,297.40
  4. Step 4: Simplify right side
    42,468.36x = 1,292,974,014.20
  5. Step 5: Solve for x
    x = 1,292,974,014.20/42,468.36
  6. Step 6: Final answer
    x = 30,445.58

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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.