Home / 48,612.90-67,116.76-39,681.64

Finding the Fourth Proportional to 48,612.90, 67,116.76 and 39,681.64

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Solution

The fourth proportional to 48,612.90, 67,116.76 and 39,681.64 is: 54,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,612.90 : 67,116.76 = 39,681.64 : x
  2. Step 2: Convert to fraction form
    48,612.90/67,116.76 = 39,681.64/x
  3. Step 3: Cross multiply
    48,612.90x = 67,116.76 × 39,681.64
  4. Step 4: Simplify right side
    48,612.90x = 2,663,302,772.70
  5. Step 5: Solve for x
    x = 2,663,302,772.70/48,612.90
  6. Step 6: Final answer
    x = 54,785.93

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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.