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Finding the Fourth Proportional to 35,656.48, 49,206.04 and 19,740.88

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Solution

The fourth proportional to 35,656.48, 49,206.04 and 19,740.88 is: 27,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.48 : 49,206.04 = 19,740.88 : x
  2. Step 2: Convert to fraction form
    35,656.48/49,206.04 = 19,740.88/x
  3. Step 3: Cross multiply
    35,656.48x = 49,206.04 × 19,740.88
  4. Step 4: Simplify right side
    35,656.48x = 971,370,530.92
  5. Step 5: Solve for x
    x = 971,370,530.92/35,656.48
  6. Step 6: Final answer
    x = 27,242.47

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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.