Home / 30,326.45-45,487.55-11,347.47

Finding the Fourth Proportional to 30,326.45, 45,487.55 and 11,347.47

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Solution

The fourth proportional to 30,326.45, 45,487.55 and 11,347.47 is: 17,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.45 : 45,487.55 = 11,347.47 : x
  2. Step 2: Convert to fraction form
    30,326.45/45,487.55 = 11,347.47/x
  3. Step 3: Cross multiply
    30,326.45x = 45,487.55 × 11,347.47
  4. Step 4: Simplify right side
    30,326.45x = 516,168,637.37
  5. Step 5: Solve for x
    x = 516,168,637.37/30,326.45
  6. Step 6: Final answer
    x = 17,020.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.