Home / 51,637.02-77,446.21-13,686.54

Finding the Fourth Proportional to 51,637.02, 77,446.21 and 13,686.54

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Solution

The fourth proportional to 51,637.02, 77,446.21 and 13,686.54 is: 20,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.02 : 77,446.21 = 13,686.54 : x
  2. Step 2: Convert to fraction form
    51,637.02/77,446.21 = 13,686.54/x
  3. Step 3: Cross multiply
    51,637.02x = 77,446.21 × 13,686.54
  4. Step 4: Simplify right side
    51,637.02x = 1,059,970,651.01
  5. Step 5: Solve for x
    x = 1,059,970,651.01/51,637.02
  6. Step 6: Final answer
    x = 20,527.34

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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.