Home / 48,129.12-66,416.00-26,619.06

Finding the Fourth Proportional to 48,129.12, 66,416.00 and 26,619.06

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Solution

The fourth proportional to 48,129.12, 66,416.00 and 26,619.06 is: 36,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.12 : 66,416.00 = 26,619.06 : x
  2. Step 2: Convert to fraction form
    48,129.12/66,416.00 = 26,619.06/x
  3. Step 3: Cross multiply
    48,129.12x = 66,416.00 × 26,619.06
  4. Step 4: Simplify right side
    48,129.12x = 1,767,931,521.90
  5. Step 5: Solve for x
    x = 1,767,931,521.90/48,129.12
  6. Step 6: Final answer
    x = 36,733.09

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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.