Home / 54,312.64-81,486.63-26,235.91

Finding the Fourth Proportional to 54,312.64, 81,486.63 and 26,235.91

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Solution

The fourth proportional to 54,312.64, 81,486.63 and 26,235.91 is: 39,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.64 : 81,486.63 = 26,235.91 : x
  2. Step 2: Convert to fraction form
    54,312.64/81,486.63 = 26,235.91/x
  3. Step 3: Cross multiply
    54,312.64x = 81,486.63 × 26,235.91
  4. Step 4: Simplify right side
    54,312.64x = 2,137,876,181.12
  5. Step 5: Solve for x
    x = 2,137,876,181.12/54,312.64
  6. Step 6: Final answer
    x = 39,362.41

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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.