Home / 49,515.48-74,275.74-14,457.78

Finding the Fourth Proportional to 49,515.48, 74,275.74 and 14,457.78

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Solution

The fourth proportional to 49,515.48, 74,275.74 and 14,457.78 is: 21,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,515.48 : 74,275.74 = 14,457.78 : x
  2. Step 2: Convert to fraction form
    49,515.48/74,275.74 = 14,457.78/x
  3. Step 3: Cross multiply
    49,515.48x = 74,275.74 × 14,457.78
  4. Step 4: Simplify right side
    49,515.48x = 1,073,862,308.26
  5. Step 5: Solve for x
    x = 1,073,862,308.26/49,515.48
  6. Step 6: Final answer
    x = 21,687.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.