Home / 42,171.79-58,240.67-36,479.21

Finding the Fourth Proportional to 42,171.79, 58,240.67 and 36,479.21

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Solution

The fourth proportional to 42,171.79, 58,240.67 and 36,479.21 is: 50,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,171.79 : 58,240.67 = 36,479.21 : x
  2. Step 2: Convert to fraction form
    42,171.79/58,240.67 = 36,479.21/x
  3. Step 3: Cross multiply
    42,171.79x = 58,240.67 × 36,479.21
  4. Step 4: Simplify right side
    42,171.79x = 2,124,573,690.67
  5. Step 5: Solve for x
    x = 2,124,573,690.67/42,171.79
  6. Step 6: Final answer
    x = 50,379.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.