Home / 38,723.52-58,090.66-12,436.32

Finding the Fourth Proportional to 38,723.52, 58,090.66 and 12,436.32

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Solution

The fourth proportional to 38,723.52, 58,090.66 and 12,436.32 is: 18,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,723.52 : 58,090.66 = 12,436.32 : x
  2. Step 2: Convert to fraction form
    38,723.52/58,090.66 = 12,436.32/x
  3. Step 3: Cross multiply
    38,723.52x = 58,090.66 × 12,436.32
  4. Step 4: Simplify right side
    38,723.52x = 722,434,036.77
  5. Step 5: Solve for x
    x = 722,434,036.77/38,723.52
  6. Step 6: Final answer
    x = 18,656.21

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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.