Home / 74,837.60-112,256.40-19,433.60

Finding the Fourth Proportional to 74,837.60, 112,256.40 and 19,433.60

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Solution

The fourth proportional to 74,837.60, 112,256.40 and 19,433.60 is: 29,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.60 : 112,256.40 = 19,433.60 : x
  2. Step 2: Convert to fraction form
    74,837.60/112,256.40 = 19,433.60/x
  3. Step 3: Cross multiply
    74,837.60x = 112,256.40 × 19,433.60
  4. Step 4: Simplify right side
    74,837.60x = 2,181,545,975.04
  5. Step 5: Solve for x
    x = 2,181,545,975.04/74,837.60
  6. Step 6: Final answer
    x = 29,150.40

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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.