Home / 30,123.36-45,185.40-14,330.07

Finding the Fourth Proportional to 30,123.36, 45,185.40 and 14,330.07

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Solution

The fourth proportional to 30,123.36, 45,185.40 and 14,330.07 is: 21,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.36 : 45,185.40 = 14,330.07 : x
  2. Step 2: Convert to fraction form
    30,123.36/45,185.40 = 14,330.07/x
  3. Step 3: Cross multiply
    30,123.36x = 45,185.40 × 14,330.07
  4. Step 4: Simplify right side
    30,123.36x = 647,509,944.98
  5. Step 5: Solve for x
    x = 647,509,944.98/30,123.36
  6. Step 6: Final answer
    x = 21,495.28

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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.