Home / 35,656.46-49,199.36-20,547

Finding the Fourth Proportional to 35,656.46, 49,199.36 and 20,547

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Solution

The fourth proportional to 35,656.46, 49,199.36 and 20,547 is: 28,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.46 : 49,199.36 = 20,547 : x
  2. Step 2: Convert to fraction form
    35,656.46/49,199.36 = 20,547/x
  3. Step 3: Cross multiply
    35,656.46x = 49,199.36 × 20,547
  4. Step 4: Simplify right side
    35,656.46x = 1,010,899,249.92
  5. Step 5: Solve for x
    x = 1,010,899,249.92/35,656.46
  6. Step 6: Final answer
    x = 28,351.08

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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.