Home / 29,030.79-40,041.18-18,265.26

Finding the Fourth Proportional to 29,030.79, 40,041.18 and 18,265.26

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Solution

The fourth proportional to 29,030.79, 40,041.18 and 18,265.26 is: 25,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,030.79 : 40,041.18 = 18,265.26 : x
  2. Step 2: Convert to fraction form
    29,030.79/40,041.18 = 18,265.26/x
  3. Step 3: Cross multiply
    29,030.79x = 40,041.18 × 18,265.26
  4. Step 4: Simplify right side
    29,030.79x = 731,362,563.41
  5. Step 5: Solve for x
    x = 731,362,563.41/29,030.79
  6. Step 6: Final answer
    x = 25,192.65

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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.