Home / 63,126.21-87,145.71-39,260.58

Finding the Fourth Proportional to 63,126.21, 87,145.71 and 39,260.58

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Solution

The fourth proportional to 63,126.21, 87,145.71 and 39,260.58 is: 54,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.21 : 87,145.71 = 39,260.58 : x
  2. Step 2: Convert to fraction form
    63,126.21/87,145.71 = 39,260.58/x
  3. Step 3: Cross multiply
    63,126.21x = 87,145.71 × 39,260.58
  4. Step 4: Simplify right side
    63,126.21x = 3,421,391,119.11
  5. Step 5: Solve for x
    x = 3,421,391,119.11/63,126.21
  6. Step 6: Final answer
    x = 54,199.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.