Home / 39,622.42-59,470.75-20,916.34

Finding the Fourth Proportional to 39,622.42, 59,470.75 and 20,916.34

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Solution

The fourth proportional to 39,622.42, 59,470.75 and 20,916.34 is: 31,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,622.42 : 59,470.75 = 20,916.34 : x
  2. Step 2: Convert to fraction form
    39,622.42/59,470.75 = 20,916.34/x
  3. Step 3: Cross multiply
    39,622.42x = 59,470.75 × 20,916.34
  4. Step 4: Simplify right side
    39,622.42x = 1,243,910,427.06
  5. Step 5: Solve for x
    x = 1,243,910,427.06/39,622.42
  6. Step 6: Final answer
    x = 31,394.11

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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.