Home / 51,239.66-76,853.70-13,802.45

Finding the Fourth Proportional to 51,239.66, 76,853.70 and 13,802.45

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Solution

The fourth proportional to 51,239.66, 76,853.70 and 13,802.45 is: 20,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.66 : 76,853.70 = 13,802.45 : x
  2. Step 2: Convert to fraction form
    51,239.66/76,853.70 = 13,802.45/x
  3. Step 3: Cross multiply
    51,239.66x = 76,853.70 × 13,802.45
  4. Step 4: Simplify right side
    51,239.66x = 1,060,768,967.30
  5. Step 5: Solve for x
    x = 1,060,768,967.30/51,239.66
  6. Step 6: Final answer
    x = 20,702.11

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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.