Home / 49,368.30-68,128.59-30,248.12

Finding the Fourth Proportional to 49,368.30, 68,128.59 and 30,248.12

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Solution

The fourth proportional to 49,368.30, 68,128.59 and 30,248.12 is: 41,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,368.30 : 68,128.59 = 30,248.12 : x
  2. Step 2: Convert to fraction form
    49,368.30/68,128.59 = 30,248.12/x
  3. Step 3: Cross multiply
    49,368.30x = 68,128.59 × 30,248.12
  4. Step 4: Simplify right side
    49,368.30x = 2,060,761,425.11
  5. Step 5: Solve for x
    x = 2,060,761,425.11/49,368.30
  6. Step 6: Final answer
    x = 41,742.60

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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.