Home / 30,537.81-45,798.21-10,811.07

Finding the Fourth Proportional to 30,537.81, 45,798.21 and 10,811.07

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Solution

The fourth proportional to 30,537.81, 45,798.21 and 10,811.07 is: 16,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.81 : 45,798.21 = 10,811.07 : x
  2. Step 2: Convert to fraction form
    30,537.81/45,798.21 = 10,811.07/x
  3. Step 3: Cross multiply
    30,537.81x = 45,798.21 × 10,811.07
  4. Step 4: Simplify right side
    30,537.81x = 495,127,654.18
  5. Step 5: Solve for x
    x = 495,127,654.18/30,537.81
  6. Step 6: Final answer
    x = 16,213.59

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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.