Home / 29,303.45-40,492.40-21,331.83

Finding the Fourth Proportional to 29,303.45, 40,492.40 and 21,331.83

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Solution

The fourth proportional to 29,303.45, 40,492.40 and 21,331.83 is: 29,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,303.45 : 40,492.40 = 21,331.83 : x
  2. Step 2: Convert to fraction form
    29,303.45/40,492.40 = 21,331.83/x
  3. Step 3: Cross multiply
    29,303.45x = 40,492.40 × 21,331.83
  4. Step 4: Simplify right side
    29,303.45x = 863,776,886.43
  5. Step 5: Solve for x
    x = 863,776,886.43/29,303.45
  6. Step 6: Final answer
    x = 29,476.97

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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.