Home / 58,631.99-80,911.35-31,774.26

Finding the Fourth Proportional to 58,631.99, 80,911.35 and 31,774.26

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Solution

The fourth proportional to 58,631.99, 80,911.35 and 31,774.26 is: 43,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,631.99 : 80,911.35 = 31,774.26 : x
  2. Step 2: Convert to fraction form
    58,631.99/80,911.35 = 31,774.26/x
  3. Step 3: Cross multiply
    58,631.99x = 80,911.35 × 31,774.26
  4. Step 4: Simplify right side
    58,631.99x = 2,570,898,271.85
  5. Step 5: Solve for x
    x = 2,570,898,271.85/58,631.99
  6. Step 6: Final answer
    x = 43,848.05

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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.