Home / 29,386.50-40,570.68-17,905.74

Finding the Fourth Proportional to 29,386.50, 40,570.68 and 17,905.74

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Solution

The fourth proportional to 29,386.50, 40,570.68 and 17,905.74 is: 24,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.50 : 40,570.68 = 17,905.74 : x
  2. Step 2: Convert to fraction form
    29,386.50/40,570.68 = 17,905.74/x
  3. Step 3: Cross multiply
    29,386.50x = 40,570.68 × 17,905.74
  4. Step 4: Simplify right side
    29,386.50x = 726,448,047.70
  5. Step 5: Solve for x
    x = 726,448,047.70/29,386.50
  6. Step 6: Final answer
    x = 24,720.47

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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.