Home / 42,020.64-63,026.08-10,853.44

Finding the Fourth Proportional to 42,020.64, 63,026.08 and 10,853.44

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Solution

The fourth proportional to 42,020.64, 63,026.08 and 10,853.44 is: 16,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.64 : 63,026.08 = 10,853.44 : x
  2. Step 2: Convert to fraction form
    42,020.64/63,026.08 = 10,853.44/x
  3. Step 3: Cross multiply
    42,020.64x = 63,026.08 × 10,853.44
  4. Step 4: Simplify right side
    42,020.64x = 684,049,777.72
  5. Step 5: Solve for x
    x = 684,049,777.72/42,020.64
  6. Step 6: Final answer
    x = 16,278.90

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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.