Home / 58,507.02-80,739.78-31,649.46

Finding the Fourth Proportional to 58,507.02, 80,739.78 and 31,649.46

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Solution

The fourth proportional to 58,507.02, 80,739.78 and 31,649.46 is: 43,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,507.02 : 80,739.78 = 31,649.46 : x
  2. Step 2: Convert to fraction form
    58,507.02/80,739.78 = 31,649.46/x
  3. Step 3: Cross multiply
    58,507.02x = 80,739.78 × 31,649.46
  4. Step 4: Simplify right side
    58,507.02x = 2,555,370,437.52
  5. Step 5: Solve for x
    x = 2,555,370,437.52/58,507.02
  6. Step 6: Final answer
    x = 43,676.30

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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.