Home / 30,288.78-45,440.73-10,567.50

Finding the Fourth Proportional to 30,288.78, 45,440.73 and 10,567.50

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Solution

The fourth proportional to 30,288.78, 45,440.73 and 10,567.50 is: 15,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.78 : 45,440.73 = 10,567.50 : x
  2. Step 2: Convert to fraction form
    30,288.78/45,440.73 = 10,567.50/x
  3. Step 3: Cross multiply
    30,288.78x = 45,440.73 × 10,567.50
  4. Step 4: Simplify right side
    30,288.78x = 480,194,914.28
  5. Step 5: Solve for x
    x = 480,194,914.28/30,288.78
  6. Step 6: Final answer
    x = 15,853.89

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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.