Home / 58,272.09-87,220.16-30,153.45

Finding the Fourth Proportional to 58,272.09, 87,220.16 and 30,153.45

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Solution

The fourth proportional to 58,272.09, 87,220.16 and 30,153.45 is: 45,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,272.09 : 87,220.16 = 30,153.45 : x
  2. Step 2: Convert to fraction form
    58,272.09/87,220.16 = 30,153.45/x
  3. Step 3: Cross multiply
    58,272.09x = 87,220.16 × 30,153.45
  4. Step 4: Simplify right side
    58,272.09x = 2,629,988,582.78
  5. Step 5: Solve for x
    x = 2,629,988,582.78/58,272.09
  6. Step 6: Final answer
    x = 45,132.90

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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.