Home / 29,333.72-40,513.94-19,885.88

Finding the Fourth Proportional to 29,333.72, 40,513.94 and 19,885.88

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Solution

The fourth proportional to 29,333.72, 40,513.94 and 19,885.88 is: 27,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.72 : 40,513.94 = 19,885.88 : x
  2. Step 2: Convert to fraction form
    29,333.72/40,513.94 = 19,885.88/x
  3. Step 3: Cross multiply
    29,333.72x = 40,513.94 × 19,885.88
  4. Step 4: Simplify right side
    29,333.72x = 805,655,047.17
  5. Step 5: Solve for x
    x = 805,655,047.17/29,333.72
  6. Step 6: Final answer
    x = 27,465.16

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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.