Home / 42,690.19-64,029.26-26,846.92

Finding the Fourth Proportional to 42,690.19, 64,029.26 and 26,846.92

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Solution

The fourth proportional to 42,690.19, 64,029.26 and 26,846.92 is: 40,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,690.19 : 64,029.26 = 26,846.92 : x
  2. Step 2: Convert to fraction form
    42,690.19/64,029.26 = 26,846.92/x
  3. Step 3: Cross multiply
    42,690.19x = 64,029.26 × 26,846.92
  4. Step 4: Simplify right side
    42,690.19x = 1,718,988,420.88
  5. Step 5: Solve for x
    x = 1,718,988,420.88/42,690.19
  6. Step 6: Final answer
    x = 40,266.60

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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.