Home / 30,239.42-45,343.58-13,585.17

Finding the Fourth Proportional to 30,239.42, 45,343.58 and 13,585.17

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Solution

The fourth proportional to 30,239.42, 45,343.58 and 13,585.17 is: 20,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.42 : 45,343.58 = 13,585.17 : x
  2. Step 2: Convert to fraction form
    30,239.42/45,343.58 = 13,585.17/x
  3. Step 3: Cross multiply
    30,239.42x = 45,343.58 × 13,585.17
  4. Step 4: Simplify right side
    30,239.42x = 616,000,174.78
  5. Step 5: Solve for x
    x = 616,000,174.78/30,239.42
  6. Step 6: Final answer
    x = 20,370.77

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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.