Home / 39,404.10-59,106.14-13,108.80

Finding the Fourth Proportional to 39,404.10, 59,106.14 and 13,108.80

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Solution

The fourth proportional to 39,404.10, 59,106.14 and 13,108.80 is: 19,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404.10 : 59,106.14 = 13,108.80 : x
  2. Step 2: Convert to fraction form
    39,404.10/59,106.14 = 13,108.80/x
  3. Step 3: Cross multiply
    39,404.10x = 59,106.14 × 13,108.80
  4. Step 4: Simplify right side
    39,404.10x = 774,810,568.03
  5. Step 5: Solve for x
    x = 774,810,568.03/39,404.10
  6. Step 6: Final answer
    x = 19,663.20

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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.