Home / 39,366.81-59,038.10-11,279.34

Finding the Fourth Proportional to 39,366.81, 59,038.10 and 11,279.34

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Solution

The fourth proportional to 39,366.81, 59,038.10 and 11,279.34 is: 16,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366.81 : 59,038.10 = 11,279.34 : x
  2. Step 2: Convert to fraction form
    39,366.81/59,038.10 = 11,279.34/x
  3. Step 3: Cross multiply
    39,366.81x = 59,038.10 × 11,279.34
  4. Step 4: Simplify right side
    39,366.81x = 665,910,753.32
  5. Step 5: Solve for x
    x = 665,910,753.32/39,366.81
  6. Step 6: Final answer
    x = 16,915.54

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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.