Home / 39,172.40-58,684.58-30,364.18

Finding the Fourth Proportional to 39,172.40, 58,684.58 and 30,364.18

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Solution

The fourth proportional to 39,172.40, 58,684.58 and 30,364.18 is: 45,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.40 : 58,684.58 = 30,364.18 : x
  2. Step 2: Convert to fraction form
    39,172.40/58,684.58 = 30,364.18/x
  3. Step 3: Cross multiply
    39,172.40x = 58,684.58 × 30,364.18
  4. Step 4: Simplify right side
    39,172.40x = 1,781,909,150.34
  5. Step 5: Solve for x
    x = 1,781,909,150.34/39,172.40
  6. Step 6: Final answer
    x = 45,488.89

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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.