Home / 30,266.28-45,421.54-15,487.56

Finding the Fourth Proportional to 30,266.28, 45,421.54 and 15,487.56

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Solution

The fourth proportional to 30,266.28, 45,421.54 and 15,487.56 is: 23,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.28 : 45,421.54 = 15,487.56 : x
  2. Step 2: Convert to fraction form
    30,266.28/45,421.54 = 15,487.56/x
  3. Step 3: Cross multiply
    30,266.28x = 45,421.54 × 15,487.56
  4. Step 4: Simplify right side
    30,266.28x = 703,468,826.04
  5. Step 5: Solve for x
    x = 703,468,826.04/30,266.28
  6. Step 6: Final answer
    x = 23,242.66

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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.