Home / 35,715.68-49,284.30-19,798.78

Finding the Fourth Proportional to 35,715.68, 49,284.30 and 19,798.78

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Solution

The fourth proportional to 35,715.68, 49,284.30 and 19,798.78 is: 27,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,715.68 : 49,284.30 = 19,798.78 : x
  2. Step 2: Convert to fraction form
    35,715.68/49,284.30 = 19,798.78/x
  3. Step 3: Cross multiply
    35,715.68x = 49,284.30 × 19,798.78
  4. Step 4: Simplify right side
    35,715.68x = 975,769,013.15
  5. Step 5: Solve for x
    x = 975,769,013.15/35,715.68
  6. Step 6: Final answer
    x = 27,320.47

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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.