Home / 66,026.72-91,134.24-40,897.28

Finding the Fourth Proportional to 66,026.72, 91,134.24 and 40,897.28

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Solution

The fourth proportional to 66,026.72, 91,134.24 and 40,897.28 is: 56,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,026.72 : 91,134.24 = 40,897.28 : x
  2. Step 2: Convert to fraction form
    66,026.72/91,134.24 = 40,897.28/x
  3. Step 3: Cross multiply
    66,026.72x = 91,134.24 × 40,897.28
  4. Step 4: Simplify right side
    66,026.72x = 3,727,142,530.87
  5. Step 5: Solve for x
    x = 3,727,142,530.87/66,026.72
  6. Step 6: Final answer
    x = 56,449.00

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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.