Home / 38,731.93-58,100.54-12,435.08

Finding the Fourth Proportional to 38,731.93, 58,100.54 and 12,435.08

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Solution

The fourth proportional to 38,731.93, 58,100.54 and 12,435.08 is: 18,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731.93 : 58,100.54 = 12,435.08 : x
  2. Step 2: Convert to fraction form
    38,731.93/58,100.54 = 12,435.08/x
  3. Step 3: Cross multiply
    38,731.93x = 58,100.54 × 12,435.08
  4. Step 4: Simplify right side
    38,731.93x = 722,484,510.27
  5. Step 5: Solve for x
    x = 722,484,510.27/38,731.93
  6. Step 6: Final answer
    x = 18,653.46

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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.