Home / 38,423.07-53,024.25-21,656.07

Finding the Fourth Proportional to 38,423.07, 53,024.25 and 21,656.07

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Solution

The fourth proportional to 38,423.07, 53,024.25 and 21,656.07 is: 29,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.07 : 53,024.25 = 21,656.07 : x
  2. Step 2: Convert to fraction form
    38,423.07/53,024.25 = 21,656.07/x
  3. Step 3: Cross multiply
    38,423.07x = 53,024.25 × 21,656.07
  4. Step 4: Simplify right side
    38,423.07x = 1,148,296,869.70
  5. Step 5: Solve for x
    x = 1,148,296,869.70/38,423.07
  6. Step 6: Final answer
    x = 29,885.61

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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.