Home / 34,043.40-46,979.21-18,935.74

Finding the Fourth Proportional to 34,043.40, 46,979.21 and 18,935.74

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Solution

The fourth proportional to 34,043.40, 46,979.21 and 18,935.74 is: 26,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,043.40 : 46,979.21 = 18,935.74 : x
  2. Step 2: Convert to fraction form
    34,043.40/46,979.21 = 18,935.74/x
  3. Step 3: Cross multiply
    34,043.40x = 46,979.21 × 18,935.74
  4. Step 4: Simplify right side
    34,043.40x = 889,585,871.07
  5. Step 5: Solve for x
    x = 889,585,871.07/34,043.40
  6. Step 6: Final answer
    x = 26,130.93

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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.