Home / 30,161.60-45,229.32-9,386.72

Finding the Fourth Proportional to 30,161.60, 45,229.32 and 9,386.72

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Solution

The fourth proportional to 30,161.60, 45,229.32 and 9,386.72 is: 14,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.60 : 45,229.32 = 9,386.72 : x
  2. Step 2: Convert to fraction form
    30,161.60/45,229.32 = 9,386.72/x
  3. Step 3: Cross multiply
    30,161.60x = 45,229.32 × 9,386.72
  4. Step 4: Simplify right side
    30,161.60x = 424,554,962.63
  5. Step 5: Solve for x
    x = 424,554,962.63/30,161.60
  6. Step 6: Final answer
    x = 14,076.01

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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.