Home / 38,742.75-58,106.48-10,655.60

Finding the Fourth Proportional to 38,742.75, 58,106.48 and 10,655.60

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Solution

The fourth proportional to 38,742.75, 58,106.48 and 10,655.60 is: 15,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.75 : 58,106.48 = 10,655.60 : x
  2. Step 2: Convert to fraction form
    38,742.75/58,106.48 = 10,655.60/x
  3. Step 3: Cross multiply
    38,742.75x = 58,106.48 × 10,655.60
  4. Step 4: Simplify right side
    38,742.75x = 619,159,064.48
  5. Step 5: Solve for x
    x = 619,159,064.48/38,742.75
  6. Step 6: Final answer
    x = 15,981.29

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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.