Home / 31,266.40-43,148.28-17,653.36

Finding the Fourth Proportional to 31,266.40, 43,148.28 and 17,653.36

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Solution

The fourth proportional to 31,266.40, 43,148.28 and 17,653.36 is: 24,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.40 : 43,148.28 = 17,653.36 : x
  2. Step 2: Convert to fraction form
    31,266.40/43,148.28 = 17,653.36/x
  3. Step 3: Cross multiply
    31,266.40x = 43,148.28 × 17,653.36
  4. Step 4: Simplify right side
    31,266.40x = 761,712,120.22
  5. Step 5: Solve for x
    x = 761,712,120.22/31,266.40
  6. Step 6: Final answer
    x = 24,362.00

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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.