Home / 56,612.20-84,914.70-21,551.08

Finding the Fourth Proportional to 56,612.20, 84,914.70 and 21,551.08

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Solution

The fourth proportional to 56,612.20, 84,914.70 and 21,551.08 is: 32,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,612.20 : 84,914.70 = 21,551.08 : x
  2. Step 2: Convert to fraction form
    56,612.20/84,914.70 = 21,551.08/x
  3. Step 3: Cross multiply
    56,612.20x = 84,914.70 × 21,551.08
  4. Step 4: Simplify right side
    56,612.20x = 1,830,003,492.88
  5. Step 5: Solve for x
    x = 1,830,003,492.88/56,612.20
  6. Step 6: Final answer
    x = 32,325.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.