Home / 19,674.40-29,302.90-19,579.06

Finding the Fourth Proportional to 19,674.40, 29,302.90 and 19,579.06

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Solution

The fourth proportional to 19,674.40, 29,302.90 and 19,579.06 is: 29,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.40 : 29,302.90 = 19,579.06 : x
  2. Step 2: Convert to fraction form
    19,674.40/29,302.90 = 19,579.06/x
  3. Step 3: Cross multiply
    19,674.40x = 29,302.90 × 19,579.06
  4. Step 4: Simplify right side
    19,674.40x = 573,723,237.27
  5. Step 5: Solve for x
    x = 573,723,237.27/19,674.40
  6. Step 6: Final answer
    x = 29,160.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.