Home / 58,439.88-80,647.04-31,582.34

Finding the Fourth Proportional to 58,439.88, 80,647.04 and 31,582.34

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Solution

The fourth proportional to 58,439.88, 80,647.04 and 31,582.34 is: 43,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,439.88 : 80,647.04 = 31,582.34 : x
  2. Step 2: Convert to fraction form
    58,439.88/80,647.04 = 31,582.34/x
  3. Step 3: Cross multiply
    58,439.88x = 80,647.04 × 31,582.34
  4. Step 4: Simplify right side
    58,439.88x = 2,547,022,215.42
  5. Step 5: Solve for x
    x = 2,547,022,215.42/58,439.88
  6. Step 6: Final answer
    x = 43,583.63

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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.