Home / 34,037.40-46,971.18-18,930

Finding the Fourth Proportional to 34,037.40, 46,971.18 and 18,930

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Solution

The fourth proportional to 34,037.40, 46,971.18 and 18,930 is: 26,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,037.40 : 46,971.18 = 18,930 : x
  2. Step 2: Convert to fraction form
    34,037.40/46,971.18 = 18,930/x
  3. Step 3: Cross multiply
    34,037.40x = 46,971.18 × 18,930
  4. Step 4: Simplify right side
    34,037.40x = 889,164,437.40
  5. Step 5: Solve for x
    x = 889,164,437.40/34,037.40
  6. Step 6: Final answer
    x = 26,123.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.