Home / 37,810.47-52,178.02-20,814.35

Finding the Fourth Proportional to 37,810.47, 52,178.02 and 20,814.35

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Solution

The fourth proportional to 37,810.47, 52,178.02 and 20,814.35 is: 28,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,810.47 : 52,178.02 = 20,814.35 : x
  2. Step 2: Convert to fraction form
    37,810.47/52,178.02 = 20,814.35/x
  3. Step 3: Cross multiply
    37,810.47x = 52,178.02 × 20,814.35
  4. Step 4: Simplify right side
    37,810.47x = 1,086,051,257.66
  5. Step 5: Solve for x
    x = 1,086,051,257.66/37,810.47
  6. Step 6: Final answer
    x = 28,723.56

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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.