Home / 49,642.48-68,506.77-28,421.89

Finding the Fourth Proportional to 49,642.48, 68,506.77 and 28,421.89

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Solution

The fourth proportional to 49,642.48, 68,506.77 and 28,421.89 is: 39,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.48 : 68,506.77 = 28,421.89 : x
  2. Step 2: Convert to fraction form
    49,642.48/68,506.77 = 28,421.89/x
  3. Step 3: Cross multiply
    49,642.48x = 68,506.77 × 28,421.89
  4. Step 4: Simplify right side
    49,642.48x = 1,947,091,881.20
  5. Step 5: Solve for x
    x = 1,947,091,881.20/49,642.48
  6. Step 6: Final answer
    x = 39,222.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.