Home / 40,931.56-61,426.50-17,564.68

Finding the Fourth Proportional to 40,931.56, 61,426.50 and 17,564.68

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Solution

The fourth proportional to 40,931.56, 61,426.50 and 17,564.68 is: 26,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931.56 : 61,426.50 = 17,564.68 : x
  2. Step 2: Convert to fraction form
    40,931.56/61,426.50 = 17,564.68/x
  3. Step 3: Cross multiply
    40,931.56x = 61,426.50 × 17,564.68
  4. Step 4: Simplify right side
    40,931.56x = 1,078,936,816.02
  5. Step 5: Solve for x
    x = 1,078,936,816.02/40,931.56
  6. Step 6: Final answer
    x = 26,359.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.