Home / 55,412.10-83,154.60-31,719.60

Finding the Fourth Proportional to 55,412.10, 83,154.60 and 31,719.60

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Solution

The fourth proportional to 55,412.10, 83,154.60 and 31,719.60 is: 47,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.10 : 83,154.60 = 31,719.60 : x
  2. Step 2: Convert to fraction form
    55,412.10/83,154.60 = 31,719.60/x
  3. Step 3: Cross multiply
    55,412.10x = 83,154.60 × 31,719.60
  4. Step 4: Simplify right side
    55,412.10x = 2,637,630,650.16
  5. Step 5: Solve for x
    x = 2,637,630,650.16/55,412.10
  6. Step 6: Final answer
    x = 47,600.27

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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.