Home / 39,872.34-59,808.48-11,792.76

Finding the Fourth Proportional to 39,872.34, 59,808.48 and 11,792.76

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Solution

The fourth proportional to 39,872.34, 59,808.48 and 11,792.76 is: 17,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.34 : 59,808.48 = 11,792.76 : x
  2. Step 2: Convert to fraction form
    39,872.34/59,808.48 = 11,792.76/x
  3. Step 3: Cross multiply
    39,872.34x = 59,808.48 × 11,792.76
  4. Step 4: Simplify right side
    39,872.34x = 705,307,050.60
  5. Step 5: Solve for x
    x = 705,307,050.60/39,872.34
  6. Step 6: Final answer
    x = 17,689.13

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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.