Home / 42,748.63-58,677.08-40,921.81

Finding the Fourth Proportional to 42,748.63, 58,677.08 and 40,921.81

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Solution

The fourth proportional to 42,748.63, 58,677.08 and 40,921.81 is: 56,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,748.63 : 58,677.08 = 40,921.81 : x
  2. Step 2: Convert to fraction form
    42,748.63/58,677.08 = 40,921.81/x
  3. Step 3: Cross multiply
    42,748.63x = 58,677.08 × 40,921.81
  4. Step 4: Simplify right side
    42,748.63x = 2,401,171,967.81
  5. Step 5: Solve for x
    x = 2,401,171,967.81/42,748.63
  6. Step 6: Final answer
    x = 56,169.57

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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.