Home / 30,021.29-45,025.08-11,303.30

Finding the Fourth Proportional to 30,021.29, 45,025.08 and 11,303.30

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Solution

The fourth proportional to 30,021.29, 45,025.08 and 11,303.30 is: 16,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,021.29 : 45,025.08 = 11,303.30 : x
  2. Step 2: Convert to fraction form
    30,021.29/45,025.08 = 11,303.30/x
  3. Step 3: Cross multiply
    30,021.29x = 45,025.08 × 11,303.30
  4. Step 4: Simplify right side
    30,021.29x = 508,931,761.64
  5. Step 5: Solve for x
    x = 508,931,761.64/30,021.29
  6. Step 6: Final answer
    x = 16,952.36

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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.