Home / 53,887.12-74,366.53-30,013.80

Finding the Fourth Proportional to 53,887.12, 74,366.53 and 30,013.80

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Solution

The fourth proportional to 53,887.12, 74,366.53 and 30,013.80 is: 41,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,887.12 : 74,366.53 = 30,013.80 : x
  2. Step 2: Convert to fraction form
    53,887.12/74,366.53 = 30,013.80/x
  3. Step 3: Cross multiply
    53,887.12x = 74,366.53 × 30,013.80
  4. Step 4: Simplify right side
    53,887.12x = 2,232,022,158.11
  5. Step 5: Solve for x
    x = 2,232,022,158.11/53,887.12
  6. Step 6: Final answer
    x = 41,420.33

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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.