Home / 55,457.98-76,532.02-31,586.87

Finding the Fourth Proportional to 55,457.98, 76,532.02 and 31,586.87

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Solution

The fourth proportional to 55,457.98, 76,532.02 and 31,586.87 is: 43,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,457.98 : 76,532.02 = 31,586.87 : x
  2. Step 2: Convert to fraction form
    55,457.98/76,532.02 = 31,586.87/x
  3. Step 3: Cross multiply
    55,457.98x = 76,532.02 × 31,586.87
  4. Step 4: Simplify right side
    55,457.98x = 2,417,407,078.94
  5. Step 5: Solve for x
    x = 2,417,407,078.94/55,457.98
  6. Step 6: Final answer
    x = 43,589.89

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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.