Home / 37,690.60-52,017.18-21,559.40

Finding the Fourth Proportional to 37,690.60, 52,017.18 and 21,559.40

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Solution

The fourth proportional to 37,690.60, 52,017.18 and 21,559.40 is: 29,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,690.60 : 52,017.18 = 21,559.40 : x
  2. Step 2: Convert to fraction form
    37,690.60/52,017.18 = 21,559.40/x
  3. Step 3: Cross multiply
    37,690.60x = 52,017.18 × 21,559.40
  4. Step 4: Simplify right side
    37,690.60x = 1,121,459,190.49
  5. Step 5: Solve for x
    x = 1,121,459,190.49/37,690.60
  6. Step 6: Final answer
    x = 29,754.35

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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.