Home / 36,423.47-54,644.60-19,779.23

Finding the Fourth Proportional to 36,423.47, 54,644.60 and 19,779.23

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Solution

The fourth proportional to 36,423.47, 54,644.60 and 19,779.23 is: 29,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.47 : 54,644.60 = 19,779.23 : x
  2. Step 2: Convert to fraction form
    36,423.47/54,644.60 = 19,779.23/x
  3. Step 3: Cross multiply
    36,423.47x = 54,644.60 × 19,779.23
  4. Step 4: Simplify right side
    36,423.47x = 1,080,828,111.66
  5. Step 5: Solve for x
    x = 1,080,828,111.66/36,423.47
  6. Step 6: Final answer
    x = 29,673.95

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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.