Home / 43,655.08-65,483.24-12,490.36

Finding the Fourth Proportional to 43,655.08, 65,483.24 and 12,490.36

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Solution

The fourth proportional to 43,655.08, 65,483.24 and 12,490.36 is: 18,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,655.08 : 65,483.24 = 12,490.36 : x
  2. Step 2: Convert to fraction form
    43,655.08/65,483.24 = 12,490.36/x
  3. Step 3: Cross multiply
    43,655.08x = 65,483.24 × 12,490.36
  4. Step 4: Simplify right side
    43,655.08x = 817,909,241.57
  5. Step 5: Solve for x
    x = 817,909,241.57/43,655.08
  6. Step 6: Final answer
    x = 18,735.72

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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.