Home / 35,756.16-49,343.34-20,647.65

Finding the Fourth Proportional to 35,756.16, 49,343.34 and 20,647.65

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Solution

The fourth proportional to 35,756.16, 49,343.34 and 20,647.65 is: 28,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.16 : 49,343.34 = 20,647.65 : x
  2. Step 2: Convert to fraction form
    35,756.16/49,343.34 = 20,647.65/x
  3. Step 3: Cross multiply
    35,756.16x = 49,343.34 × 20,647.65
  4. Step 4: Simplify right side
    35,756.16x = 1,018,824,014.15
  5. Step 5: Solve for x
    x = 1,018,824,014.15/35,756.16
  6. Step 6: Final answer
    x = 28,493.66

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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.