Home / 31,204.20-46,709.10-18,017.40

Finding the Fourth Proportional to 31,204.20, 46,709.10 and 18,017.40

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Solution

The fourth proportional to 31,204.20, 46,709.10 and 18,017.40 is: 26,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.20 : 46,709.10 = 18,017.40 : x
  2. Step 2: Convert to fraction form
    31,204.20/46,709.10 = 18,017.40/x
  3. Step 3: Cross multiply
    31,204.20x = 46,709.10 × 18,017.40
  4. Step 4: Simplify right side
    31,204.20x = 841,576,538.34
  5. Step 5: Solve for x
    x = 841,576,538.34/31,204.20
  6. Step 6: Final answer
    x = 26,969.98

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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.