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Finding the Fourth Proportional to 44,574.40, 66,879.60 and 19,619.20

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Solution

The fourth proportional to 44,574.40, 66,879.60 and 19,619.20 is: 29,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,574.40 : 66,879.60 = 19,619.20 : x
  2. Step 2: Convert to fraction form
    44,574.40/66,879.60 = 19,619.20/x
  3. Step 3: Cross multiply
    44,574.40x = 66,879.60 × 19,619.20
  4. Step 4: Simplify right side
    44,574.40x = 1,312,124,248.32
  5. Step 5: Solve for x
    x = 1,312,124,248.32/44,574.40
  6. Step 6: Final answer
    x = 29,436.72

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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.