Home / 30,467.52-42,065.28-23,430.72

Finding the Fourth Proportional to 30,467.52, 42,065.28 and 23,430.72

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Solution

The fourth proportional to 30,467.52, 42,065.28 and 23,430.72 is: 32,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.52 : 42,065.28 = 23,430.72 : x
  2. Step 2: Convert to fraction form
    30,467.52/42,065.28 = 23,430.72/x
  3. Step 3: Cross multiply
    30,467.52x = 42,065.28 × 23,430.72
  4. Step 4: Simplify right side
    30,467.52x = 985,619,797.40
  5. Step 5: Solve for x
    x = 985,619,797.40/30,467.52
  6. Step 6: Final answer
    x = 32,349.85

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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.