Home / 30,003.13-45,011.08-10,276.39

Finding the Fourth Proportional to 30,003.13, 45,011.08 and 10,276.39

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Solution

The fourth proportional to 30,003.13, 45,011.08 and 10,276.39 is: 15,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.13 : 45,011.08 = 10,276.39 : x
  2. Step 2: Convert to fraction form
    30,003.13/45,011.08 = 10,276.39/x
  3. Step 3: Cross multiply
    30,003.13x = 45,011.08 × 10,276.39
  4. Step 4: Simplify right side
    30,003.13x = 462,551,499.24
  5. Step 5: Solve for x
    x = 462,551,499.24/30,003.13
  6. Step 6: Final answer
    x = 15,416.77

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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.