Home / 38,953.52-58,435.91-12,290.45

Finding the Fourth Proportional to 38,953.52, 58,435.91 and 12,290.45

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Solution

The fourth proportional to 38,953.52, 58,435.91 and 12,290.45 is: 18,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.52 : 58,435.91 = 12,290.45 : x
  2. Step 2: Convert to fraction form
    38,953.52/58,435.91 = 12,290.45/x
  3. Step 3: Cross multiply
    38,953.52x = 58,435.91 × 12,290.45
  4. Step 4: Simplify right side
    38,953.52x = 718,203,720.35
  5. Step 5: Solve for x
    x = 718,203,720.35/38,953.52
  6. Step 6: Final answer
    x = 18,437.45

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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.