Home / 30,133.32-45,200.52-11,422.08

Finding the Fourth Proportional to 30,133.32, 45,200.52 and 11,422.08

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Solution

The fourth proportional to 30,133.32, 45,200.52 and 11,422.08 is: 17,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.32 : 45,200.52 = 11,422.08 : x
  2. Step 2: Convert to fraction form
    30,133.32/45,200.52 = 11,422.08/x
  3. Step 3: Cross multiply
    30,133.32x = 45,200.52 × 11,422.08
  4. Step 4: Simplify right side
    30,133.32x = 516,283,955.48
  5. Step 5: Solve for x
    x = 516,283,955.48/30,133.32
  6. Step 6: Final answer
    x = 17,133.32

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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.