Home / 52,242.11-72,112.50-31,021.22

Finding the Fourth Proportional to 52,242.11, 72,112.50 and 31,021.22

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Solution

The fourth proportional to 52,242.11, 72,112.50 and 31,021.22 is: 42,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,242.11 : 72,112.50 = 31,021.22 : x
  2. Step 2: Convert to fraction form
    52,242.11/72,112.50 = 31,021.22/x
  3. Step 3: Cross multiply
    52,242.11x = 72,112.50 × 31,021.22
  4. Step 4: Simplify right side
    52,242.11x = 2,237,017,727.25
  5. Step 5: Solve for x
    x = 2,237,017,727.25/52,242.11
  6. Step 6: Final answer
    x = 42,820.21

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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.