Home / 37,983.02-52,406.43-21,215.66

Finding the Fourth Proportional to 37,983.02, 52,406.43 and 21,215.66

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Solution

The fourth proportional to 37,983.02, 52,406.43 and 21,215.66 is: 29,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,983.02 : 52,406.43 = 21,215.66 : x
  2. Step 2: Convert to fraction form
    37,983.02/52,406.43 = 21,215.66/x
  3. Step 3: Cross multiply
    37,983.02x = 52,406.43 × 21,215.66
  4. Step 4: Simplify right side
    37,983.02x = 1,111,837,000.69
  5. Step 5: Solve for x
    x = 1,111,837,000.69/37,983.02
  6. Step 6: Final answer
    x = 29,271.95

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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.