Home / 37,719.60-56,579.40-19,287.60

Finding the Fourth Proportional to 37,719.60, 56,579.40 and 19,287.60

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Solution

The fourth proportional to 37,719.60, 56,579.40 and 19,287.60 is: 28,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,719.60 : 56,579.40 = 19,287.60 : x
  2. Step 2: Convert to fraction form
    37,719.60/56,579.40 = 19,287.60/x
  3. Step 3: Cross multiply
    37,719.60x = 56,579.40 × 19,287.60
  4. Step 4: Simplify right side
    37,719.60x = 1,091,280,835.44
  5. Step 5: Solve for x
    x = 1,091,280,835.44/37,719.60
  6. Step 6: Final answer
    x = 28,931.40

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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.