Home / 30,296.71-45,409.47-13,637.24

Finding the Fourth Proportional to 30,296.71, 45,409.47 and 13,637.24

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Solution

The fourth proportional to 30,296.71, 45,409.47 and 13,637.24 is: 20,439.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.71 : 45,409.47 = 13,637.24 : x
  2. Step 2: Convert to fraction form
    30,296.71/45,409.47 = 13,637.24/x
  3. Step 3: Cross multiply
    30,296.71x = 45,409.47 × 13,637.24
  4. Step 4: Simplify right side
    30,296.71x = 619,259,840.66
  5. Step 5: Solve for x
    x = 619,259,840.66/30,296.71
  6. Step 6: Final answer
    x = 20,439.84

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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.