Home / 39,157.23-58,741.25-12,864.63

Finding the Fourth Proportional to 39,157.23, 58,741.25 and 12,864.63

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Solution

The fourth proportional to 39,157.23, 58,741.25 and 12,864.63 is: 19,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.23 : 58,741.25 = 12,864.63 : x
  2. Step 2: Convert to fraction form
    39,157.23/58,741.25 = 12,864.63/x
  3. Step 3: Cross multiply
    39,157.23x = 58,741.25 × 12,864.63
  4. Step 4: Simplify right side
    39,157.23x = 755,684,382.66
  5. Step 5: Solve for x
    x = 755,684,382.66/39,157.23
  6. Step 6: Final answer
    x = 19,298.72

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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.