Home / 40,814.08-56,303.31-25,689.76

Finding the Fourth Proportional to 40,814.08, 56,303.31 and 25,689.76

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Solution

The fourth proportional to 40,814.08, 56,303.31 and 25,689.76 is: 35,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.08 : 56,303.31 = 25,689.76 : x
  2. Step 2: Convert to fraction form
    40,814.08/56,303.31 = 25,689.76/x
  3. Step 3: Cross multiply
    40,814.08x = 56,303.31 × 25,689.76
  4. Step 4: Simplify right side
    40,814.08x = 1,446,418,521.11
  5. Step 5: Solve for x
    x = 1,446,418,521.11/40,814.08
  6. Step 6: Final answer
    x = 35,439.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.