Home / 38,742.63-58,106.31-10,655.47

Finding the Fourth Proportional to 38,742.63, 58,106.31 and 10,655.47

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Solution

The fourth proportional to 38,742.63, 58,106.31 and 10,655.47 is: 15,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.63 : 58,106.31 = 10,655.47 : x
  2. Step 2: Convert to fraction form
    38,742.63/58,106.31 = 10,655.47/x
  3. Step 3: Cross multiply
    38,742.63x = 58,106.31 × 10,655.47
  4. Step 4: Simplify right side
    38,742.63x = 619,150,043.02
  5. Step 5: Solve for x
    x = 619,150,043.02/38,742.63
  6. Step 6: Final answer
    x = 15,981.11

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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.