Home / 49,394.36-68,020.60-42,931.16

Finding the Fourth Proportional to 49,394.36, 68,020.60 and 42,931.16

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Solution

The fourth proportional to 49,394.36, 68,020.60 and 42,931.16 is: 59,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,394.36 : 68,020.60 = 42,931.16 : x
  2. Step 2: Convert to fraction form
    49,394.36/68,020.60 = 42,931.16/x
  3. Step 3: Cross multiply
    49,394.36x = 68,020.60 × 42,931.16
  4. Step 4: Simplify right side
    49,394.36x = 2,920,203,261.90
  5. Step 5: Solve for x
    x = 2,920,203,261.90/49,394.36
  6. Step 6: Final answer
    x = 59,120.18

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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.