Home / 30,281.34-45,423.93-9,505.66

Finding the Fourth Proportional to 30,281.34, 45,423.93 and 9,505.66

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Solution

The fourth proportional to 30,281.34, 45,423.93 and 9,505.66 is: 14,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.34 : 45,423.93 = 9,505.66 : x
  2. Step 2: Convert to fraction form
    30,281.34/45,423.93 = 9,505.66/x
  3. Step 3: Cross multiply
    30,281.34x = 45,423.93 × 9,505.66
  4. Step 4: Simplify right side
    30,281.34x = 431,784,434.44
  5. Step 5: Solve for x
    x = 431,784,434.44/30,281.34
  6. Step 6: Final answer
    x = 14,259.09

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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.