Home / 37,911.76-52,319.23-20,916.23

Finding the Fourth Proportional to 37,911.76, 52,319.23 and 20,916.23

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Solution

The fourth proportional to 37,911.76, 52,319.23 and 20,916.23 is: 28,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,911.76 : 52,319.23 = 20,916.23 : x
  2. Step 2: Convert to fraction form
    37,911.76/52,319.23 = 20,916.23/x
  3. Step 3: Cross multiply
    37,911.76x = 52,319.23 × 20,916.23
  4. Step 4: Simplify right side
    37,911.76x = 1,094,320,763.63
  5. Step 5: Solve for x
    x = 1,094,320,763.63/37,911.76
  6. Step 6: Final answer
    x = 28,864.94

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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.