Home / 35,660.05-49,206.89-19,740.51

Finding the Fourth Proportional to 35,660.05, 49,206.89 and 19,740.51

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Solution

The fourth proportional to 35,660.05, 49,206.89 and 19,740.51 is: 27,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,660.05 : 49,206.89 = 19,740.51 : x
  2. Step 2: Convert to fraction form
    35,660.05/49,206.89 = 19,740.51/x
  3. Step 3: Cross multiply
    35,660.05x = 49,206.89 × 19,740.51
  4. Step 4: Simplify right side
    35,660.05x = 971,369,153.47
  5. Step 5: Solve for x
    x = 971,369,153.47/35,660.05
  6. Step 6: Final answer
    x = 27,239.70

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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.