Home / 36,946.48-55,437-21,377.20

Finding the Fourth Proportional to 36,946.48, 55,437 and 21,377.20

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Solution

The fourth proportional to 36,946.48, 55,437 and 21,377.20 is: 32,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,946.48 : 55,437 = 21,377.20 : x
  2. Step 2: Convert to fraction form
    36,946.48/55,437 = 21,377.20/x
  3. Step 3: Cross multiply
    36,946.48x = 55,437 × 21,377.20
  4. Step 4: Simplify right side
    36,946.48x = 1,185,087,836.40
  5. Step 5: Solve for x
    x = 1,185,087,836.40/36,946.48
  6. Step 6: Final answer
    x = 32,075.80

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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.