Home / 43,602.08-65,401.72-12,437.32

Finding the Fourth Proportional to 43,602.08, 65,401.72 and 12,437.32

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Solution

The fourth proportional to 43,602.08, 65,401.72 and 12,437.32 is: 18,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,602.08 : 65,401.72 = 12,437.32 : x
  2. Step 2: Convert to fraction form
    43,602.08/65,401.72 = 12,437.32/x
  3. Step 3: Cross multiply
    43,602.08x = 65,401.72 × 12,437.32
  4. Step 4: Simplify right side
    43,602.08x = 813,422,120.19
  5. Step 5: Solve for x
    x = 813,422,120.19/43,602.08
  6. Step 6: Final answer
    x = 18,655.58

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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.