Home / 40,995.78-56,164.40-39,459.98

Finding the Fourth Proportional to 40,995.78, 56,164.40 and 39,459.98

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Solution

The fourth proportional to 40,995.78, 56,164.40 and 39,459.98 is: 54,060.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,995.78 : 56,164.40 = 39,459.98 : x
  2. Step 2: Convert to fraction form
    40,995.78/56,164.40 = 39,459.98/x
  3. Step 3: Cross multiply
    40,995.78x = 56,164.40 × 39,459.98
  4. Step 4: Simplify right side
    40,995.78x = 2,216,246,100.71
  5. Step 5: Solve for x
    x = 2,216,246,100.71/40,995.78
  6. Step 6: Final answer
    x = 54,060.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.