Home / 43,200.12-64,808.96-18,240.24

Finding the Fourth Proportional to 43,200.12, 64,808.96 and 18,240.24

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Solution

The fourth proportional to 43,200.12, 64,808.96 and 18,240.24 is: 27,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.12 : 64,808.96 = 18,240.24 : x
  2. Step 2: Convert to fraction form
    43,200.12/64,808.96 = 18,240.24/x
  3. Step 3: Cross multiply
    43,200.12x = 64,808.96 × 18,240.24
  4. Step 4: Simplify right side
    43,200.12x = 1,182,130,893.35
  5. Step 5: Solve for x
    x = 1,182,130,893.35/43,200.12
  6. Step 6: Final answer
    x = 27,364.07

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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.