Home / 42,544.40-63,816.60-19,216.40

Finding the Fourth Proportional to 42,544.40, 63,816.60 and 19,216.40

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Solution

The fourth proportional to 42,544.40, 63,816.60 and 19,216.40 is: 28,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,544.40 : 63,816.60 = 19,216.40 : x
  2. Step 2: Convert to fraction form
    42,544.40/63,816.60 = 19,216.40/x
  3. Step 3: Cross multiply
    42,544.40x = 63,816.60 × 19,216.40
  4. Step 4: Simplify right side
    42,544.40x = 1,226,325,312.24
  5. Step 5: Solve for x
    x = 1,226,325,312.24/42,544.40
  6. Step 6: Final answer
    x = 28,824.60

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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.