Home / 31,637.20-47,455.80-27,541.20

Finding the Fourth Proportional to 31,637.20, 47,455.80 and 27,541.20

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Solution

The fourth proportional to 31,637.20, 47,455.80 and 27,541.20 is: 41,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.20 : 47,455.80 = 27,541.20 : x
  2. Step 2: Convert to fraction form
    31,637.20/47,455.80 = 27,541.20/x
  3. Step 3: Cross multiply
    31,637.20x = 47,455.80 × 27,541.20
  4. Step 4: Simplify right side
    31,637.20x = 1,306,989,678.96
  5. Step 5: Solve for x
    x = 1,306,989,678.96/31,637.20
  6. Step 6: Final answer
    x = 41,311.80

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1.5x scale

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.