Home / 29,313.13-40,436.81-17,985.15

Finding the Fourth Proportional to 29,313.13, 40,436.81 and 17,985.15

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Solution

The fourth proportional to 29,313.13, 40,436.81 and 17,985.15 is: 24,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.13 : 40,436.81 = 17,985.15 : x
  2. Step 2: Convert to fraction form
    29,313.13/40,436.81 = 17,985.15/x
  3. Step 3: Cross multiply
    29,313.13x = 40,436.81 × 17,985.15
  4. Step 4: Simplify right side
    29,313.13x = 727,261,992.28
  5. Step 5: Solve for x
    x = 727,261,992.28/29,313.13
  6. Step 6: Final answer
    x = 24,810.11

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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.