Home / 49,626.19-74,439.29-12,690.19

Finding the Fourth Proportional to 49,626.19, 74,439.29 and 12,690.19

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Solution

The fourth proportional to 49,626.19, 74,439.29 and 12,690.19 is: 19,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,626.19 : 74,439.29 = 12,690.19 : x
  2. Step 2: Convert to fraction form
    49,626.19/74,439.29 = 12,690.19/x
  3. Step 3: Cross multiply
    49,626.19x = 74,439.29 × 12,690.19
  4. Step 4: Simplify right side
    49,626.19x = 944,648,484.02
  5. Step 5: Solve for x
    x = 944,648,484.02/49,626.19
  6. Step 6: Final answer
    x = 19,035.28

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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.