Home / 39,425.18-59,147.19-13,130.15

Finding the Fourth Proportional to 39,425.18, 59,147.19 and 13,130.15

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Solution

The fourth proportional to 39,425.18, 59,147.19 and 13,130.15 is: 19,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.18 : 59,147.19 = 13,130.15 : x
  2. Step 2: Convert to fraction form
    39,425.18/59,147.19 = 13,130.15/x
  3. Step 3: Cross multiply
    39,425.18x = 59,147.19 × 13,130.15
  4. Step 4: Simplify right side
    39,425.18x = 776,611,181.04
  5. Step 5: Solve for x
    x = 776,611,181.04/39,425.18
  6. Step 6: Final answer
    x = 19,698.36

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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.