Home / 38,812.64-58,215.16-12,536.24

Finding the Fourth Proportional to 38,812.64, 58,215.16 and 12,536.24

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Solution

The fourth proportional to 38,812.64, 58,215.16 and 12,536.24 is: 18,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,812.64 : 58,215.16 = 12,536.24 : x
  2. Step 2: Convert to fraction form
    38,812.64/58,215.16 = 12,536.24/x
  3. Step 3: Cross multiply
    38,812.64x = 58,215.16 × 12,536.24
  4. Step 4: Simplify right side
    38,812.64x = 729,799,217.40
  5. Step 5: Solve for x
    x = 729,799,217.40/38,812.64
  6. Step 6: Final answer
    x = 18,803.13

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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.