Home / 74,970.25-112,455.21-19,566.25

Finding the Fourth Proportional to 74,970.25, 112,455.21 and 19,566.25

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Solution

The fourth proportional to 74,970.25, 112,455.21 and 19,566.25 is: 29,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,970.25 : 112,455.21 = 19,566.25 : x
  2. Step 2: Convert to fraction form
    74,970.25/112,455.21 = 19,566.25/x
  3. Step 3: Cross multiply
    74,970.25x = 112,455.21 × 19,566.25
  4. Step 4: Simplify right side
    74,970.25x = 2,200,326,752.66
  5. Step 5: Solve for x
    x = 2,200,326,752.66/74,970.25
  6. Step 6: Final answer
    x = 29,349.33

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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.