Home / 43,252.56-64,875.60-12,090.24

Finding the Fourth Proportional to 43,252.56, 64,875.60 and 12,090.24

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Solution

The fourth proportional to 43,252.56, 64,875.60 and 12,090.24 is: 18,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,252.56 : 64,875.60 = 12,090.24 : x
  2. Step 2: Convert to fraction form
    43,252.56/64,875.60 = 12,090.24/x
  3. Step 3: Cross multiply
    43,252.56x = 64,875.60 × 12,090.24
  4. Step 4: Simplify right side
    43,252.56x = 784,361,574.14
  5. Step 5: Solve for x
    x = 784,361,574.14/43,252.56
  6. Step 6: Final answer
    x = 18,134.45

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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.