Home / 37,423.61-56,138.45-11,128.38

Finding the Fourth Proportional to 37,423.61, 56,138.45 and 11,128.38

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Solution

The fourth proportional to 37,423.61, 56,138.45 and 11,128.38 is: 16,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,423.61 : 56,138.45 = 11,128.38 : x
  2. Step 2: Convert to fraction form
    37,423.61/56,138.45 = 11,128.38/x
  3. Step 3: Cross multiply
    37,423.61x = 56,138.45 × 11,128.38
  4. Step 4: Simplify right side
    37,423.61x = 624,730,004.21
  5. Step 5: Solve for x
    x = 624,730,004.21/37,423.61
  6. Step 6: Final answer
    x = 16,693.47

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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.