Home / 35,621.48-49,157.86-20,717.48

Finding the Fourth Proportional to 35,621.48, 49,157.86 and 20,717.48

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Solution

The fourth proportional to 35,621.48, 49,157.86 and 20,717.48 is: 28,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.48 : 49,157.86 = 20,717.48 : x
  2. Step 2: Convert to fraction form
    35,621.48/49,157.86 = 20,717.48/x
  3. Step 3: Cross multiply
    35,621.48x = 49,157.86 × 20,717.48
  4. Step 4: Simplify right side
    35,621.48x = 1,018,426,981.39
  5. Step 5: Solve for x
    x = 1,018,426,981.39/35,621.48
  6. Step 6: Final answer
    x = 28,590.25

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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.