Home / 38,423.01-57,663.72-18,714.09

Finding the Fourth Proportional to 38,423.01, 57,663.72 and 18,714.09

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Solution

The fourth proportional to 38,423.01, 57,663.72 and 18,714.09 is: 28,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.01 : 57,663.72 = 18,714.09 : x
  2. Step 2: Convert to fraction form
    38,423.01/57,663.72 = 18,714.09/x
  3. Step 3: Cross multiply
    38,423.01x = 57,663.72 × 18,714.09
  4. Step 4: Simplify right side
    38,423.01x = 1,079,124,045.81
  5. Step 5: Solve for x
    x = 1,079,124,045.81/38,423.01
  6. Step 6: Final answer
    x = 28,085.36

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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.