Home / 23,009.10-34,513.65-20,603.40

Finding the Fourth Proportional to 23,009.10, 34,513.65 and 20,603.40

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Solution

The fourth proportional to 23,009.10, 34,513.65 and 20,603.40 is: 30,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.10 : 34,513.65 = 20,603.40 : x
  2. Step 2: Convert to fraction form
    23,009.10/34,513.65 = 20,603.40/x
  3. Step 3: Cross multiply
    23,009.10x = 34,513.65 × 20,603.40
  4. Step 4: Simplify right side
    23,009.10x = 711,098,536.41
  5. Step 5: Solve for x
    x = 711,098,536.41/23,009.10
  6. Step 6: Final answer
    x = 30,905.10

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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.