Home / 29,389.41-40,532.40-19,827.76

Finding the Fourth Proportional to 29,389.41, 40,532.40 and 19,827.76

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Solution

The fourth proportional to 29,389.41, 40,532.40 and 19,827.76 is: 27,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.41 : 40,532.40 = 19,827.76 : x
  2. Step 2: Convert to fraction form
    29,389.41/40,532.40 = 19,827.76/x
  3. Step 3: Cross multiply
    29,389.41x = 40,532.40 × 19,827.76
  4. Step 4: Simplify right side
    29,389.41x = 803,666,788.09
  5. Step 5: Solve for x
    x = 803,666,788.09/29,389.41
  6. Step 6: Final answer
    x = 27,345.46

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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.