Home / 38,421.14-57,637.49-12,125.51

Finding the Fourth Proportional to 38,421.14, 57,637.49 and 12,125.51

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Solution

The fourth proportional to 38,421.14, 57,637.49 and 12,125.51 is: 18,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.14 : 57,637.49 = 12,125.51 : x
  2. Step 2: Convert to fraction form
    38,421.14/57,637.49 = 12,125.51/x
  3. Step 3: Cross multiply
    38,421.14x = 57,637.49 × 12,125.51
  4. Step 4: Simplify right side
    38,421.14x = 698,883,612.55
  5. Step 5: Solve for x
    x = 698,883,612.55/38,421.14
  6. Step 6: Final answer
    x = 18,190.08

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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.