Home / 38,303.76-52,859.18-21,536.76

Finding the Fourth Proportional to 38,303.76, 52,859.18 and 21,536.76

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Solution

The fourth proportional to 38,303.76, 52,859.18 and 21,536.76 is: 29,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.76 : 52,859.18 = 21,536.76 : x
  2. Step 2: Convert to fraction form
    38,303.76/52,859.18 = 21,536.76/x
  3. Step 3: Cross multiply
    38,303.76x = 52,859.18 × 21,536.76
  4. Step 4: Simplify right side
    38,303.76x = 1,138,415,473.46
  5. Step 5: Solve for x
    x = 1,138,415,473.46/38,303.76
  6. Step 6: Final answer
    x = 29,720.72

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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.