Home / 38,946.30-53,751.12-21,953.85

Finding the Fourth Proportional to 38,946.30, 53,751.12 and 21,953.85

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Solution

The fourth proportional to 38,946.30, 53,751.12 and 21,953.85 is: 30,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,946.30 : 53,751.12 = 21,953.85 : x
  2. Step 2: Convert to fraction form
    38,946.30/53,751.12 = 21,953.85/x
  3. Step 3: Cross multiply
    38,946.30x = 53,751.12 × 21,953.85
  4. Step 4: Simplify right side
    38,946.30x = 1,180,044,025.81
  5. Step 5: Solve for x
    x = 1,180,044,025.81/38,946.30
  6. Step 6: Final answer
    x = 30,299.26

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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.