Home / 35,816.76-49,424.23-20,710.40

Finding the Fourth Proportional to 35,816.76, 49,424.23 and 20,710.40

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Solution

The fourth proportional to 35,816.76, 49,424.23 and 20,710.40 is: 28,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,816.76 : 49,424.23 = 20,710.40 : x
  2. Step 2: Convert to fraction form
    35,816.76/49,424.23 = 20,710.40/x
  3. Step 3: Cross multiply
    35,816.76x = 49,424.23 × 20,710.40
  4. Step 4: Simplify right side
    35,816.76x = 1,023,595,351.76
  5. Step 5: Solve for x
    x = 1,023,595,351.76/35,816.76
  6. Step 6: Final answer
    x = 28,578.67

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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.