Home / 40,867.20-56,368.71-39,495.87

Finding the Fourth Proportional to 40,867.20, 56,368.71 and 39,495.87

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Solution

The fourth proportional to 40,867.20, 56,368.71 and 39,495.87 is: 54,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.20 : 56,368.71 = 39,495.87 : x
  2. Step 2: Convert to fraction form
    40,867.20/56,368.71 = 39,495.87/x
  3. Step 3: Cross multiply
    40,867.20x = 56,368.71 × 39,495.87
  4. Step 4: Simplify right side
    40,867.20x = 2,226,331,242.23
  5. Step 5: Solve for x
    x = 2,226,331,242.23/40,867.20
  6. Step 6: Final answer
    x = 54,477.22

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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.