Home / 37,178.90-51,306.02-21,262.40

Finding the Fourth Proportional to 37,178.90, 51,306.02 and 21,262.40

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Solution

The fourth proportional to 37,178.90, 51,306.02 and 21,262.40 is: 29,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,178.90 : 51,306.02 = 21,262.40 : x
  2. Step 2: Convert to fraction form
    37,178.90/51,306.02 = 21,262.40/x
  3. Step 3: Cross multiply
    37,178.90x = 51,306.02 × 21,262.40
  4. Step 4: Simplify right side
    37,178.90x = 1,090,889,119.65
  5. Step 5: Solve for x
    x = 1,090,889,119.65/37,178.90
  6. Step 6: Final answer
    x = 29,341.62

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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.