Home / 39,246.85-54,158.34-21,341.71

Finding the Fourth Proportional to 39,246.85, 54,158.34 and 21,341.71

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Solution

The fourth proportional to 39,246.85, 54,158.34 and 21,341.71 is: 29,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,246.85 : 54,158.34 = 21,341.71 : x
  2. Step 2: Convert to fraction form
    39,246.85/54,158.34 = 21,341.71/x
  3. Step 3: Cross multiply
    39,246.85x = 54,158.34 × 21,341.71
  4. Step 4: Simplify right side
    39,246.85x = 1,155,831,586.36
  5. Step 5: Solve for x
    x = 1,155,831,586.36/39,246.85
  6. Step 6: Final answer
    x = 29,450.30

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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.