Home / 35,655.40-49,204.70-19,739.51

Finding the Fourth Proportional to 35,655.40, 49,204.70 and 19,739.51

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Solution

The fourth proportional to 35,655.40, 49,204.70 and 19,739.51 is: 27,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.40 : 49,204.70 = 19,739.51 : x
  2. Step 2: Convert to fraction form
    35,655.40/49,204.70 = 19,739.51/x
  3. Step 3: Cross multiply
    35,655.40x = 49,204.70 × 19,739.51
  4. Step 4: Simplify right side
    35,655.40x = 971,276,667.70
  5. Step 5: Solve for x
    x = 971,276,667.70/35,655.40
  6. Step 6: Final answer
    x = 27,240.66

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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.