Home / 30,238.13-45,372.54-13,594.79

Finding the Fourth Proportional to 30,238.13, 45,372.54 and 13,594.79

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Solution

The fourth proportional to 30,238.13, 45,372.54 and 13,594.79 is: 20,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.13 : 45,372.54 = 13,594.79 : x
  2. Step 2: Convert to fraction form
    30,238.13/45,372.54 = 13,594.79/x
  3. Step 3: Cross multiply
    30,238.13x = 45,372.54 × 13,594.79
  4. Step 4: Simplify right side
    30,238.13x = 616,830,153.07
  5. Step 5: Solve for x
    x = 616,830,153.07/30,238.13
  6. Step 6: Final answer
    x = 20,399.08

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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.