Home / 30,029.40-45,012.75-11,296.53

Finding the Fourth Proportional to 30,029.40, 45,012.75 and 11,296.53

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Solution

The fourth proportional to 30,029.40, 45,012.75 and 11,296.53 is: 16,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029.40 : 45,012.75 = 11,296.53 : x
  2. Step 2: Convert to fraction form
    30,029.40/45,012.75 = 11,296.53/x
  3. Step 3: Cross multiply
    30,029.40x = 45,012.75 × 11,296.53
  4. Step 4: Simplify right side
    30,029.40x = 508,487,880.76
  5. Step 5: Solve for x
    x = 508,487,880.76/30,029.40
  6. Step 6: Final answer
    x = 16,933.00

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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.