Home / 52,988.61-73,128.34-30,334.70

Finding the Fourth Proportional to 52,988.61, 73,128.34 and 30,334.70

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Solution

The fourth proportional to 52,988.61, 73,128.34 and 30,334.70 is: 41,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.61 : 73,128.34 = 30,334.70 : x
  2. Step 2: Convert to fraction form
    52,988.61/73,128.34 = 30,334.70/x
  3. Step 3: Cross multiply
    52,988.61x = 73,128.34 × 30,334.70
  4. Step 4: Simplify right side
    52,988.61x = 2,218,326,561.45
  5. Step 5: Solve for x
    x = 2,218,326,561.45/52,988.61
  6. Step 6: Final answer
    x = 41,864.22

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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.