Home / 38,731.29-58,090.85-10,653.45

Finding the Fourth Proportional to 38,731.29, 58,090.85 and 10,653.45

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Solution

The fourth proportional to 38,731.29, 58,090.85 and 10,653.45 is: 15,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731.29 : 58,090.85 = 10,653.45 : x
  2. Step 2: Convert to fraction form
    38,731.29/58,090.85 = 10,653.45/x
  3. Step 3: Cross multiply
    38,731.29x = 58,090.85 × 10,653.45
  4. Step 4: Simplify right side
    38,731.29x = 618,867,965.93
  5. Step 5: Solve for x
    x = 618,867,965.93/38,731.29
  6. Step 6: Final answer
    x = 15,978.50

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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.