Home / 42,439.55-63,652.48-14,359.07

Finding the Fourth Proportional to 42,439.55, 63,652.48 and 14,359.07

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Solution

The fourth proportional to 42,439.55, 63,652.48 and 14,359.07 is: 21,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,439.55 : 63,652.48 = 14,359.07 : x
  2. Step 2: Convert to fraction form
    42,439.55/63,652.48 = 14,359.07/x
  3. Step 3: Cross multiply
    42,439.55x = 63,652.48 × 14,359.07
  4. Step 4: Simplify right side
    42,439.55x = 913,990,620.00
  5. Step 5: Solve for x
    x = 913,990,620.00/42,439.55
  6. Step 6: Final answer
    x = 21,536.30

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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.