Home / 30,240.19-45,344.64-13,585.98

Finding the Fourth Proportional to 30,240.19, 45,344.64 and 13,585.98

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Solution

The fourth proportional to 30,240.19, 45,344.64 and 13,585.98 is: 20,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.19 : 45,344.64 = 13,585.98 : x
  2. Step 2: Convert to fraction form
    30,240.19/45,344.64 = 13,585.98/x
  3. Step 3: Cross multiply
    30,240.19x = 45,344.64 × 13,585.98
  4. Step 4: Simplify right side
    30,240.19x = 616,051,372.15
  5. Step 5: Solve for x
    x = 616,051,372.15/30,240.19
  6. Step 6: Final answer
    x = 20,371.94

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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.