Home / 53,980.47-74,493.45-30,108.69

Finding the Fourth Proportional to 53,980.47, 74,493.45 and 30,108.69

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Solution

The fourth proportional to 53,980.47, 74,493.45 and 30,108.69 is: 41,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.47 : 74,493.45 = 30,108.69 : x
  2. Step 2: Convert to fraction form
    53,980.47/74,493.45 = 30,108.69/x
  3. Step 3: Cross multiply
    53,980.47x = 74,493.45 × 30,108.69
  4. Step 4: Simplify right side
    53,980.47x = 2,242,900,193.08
  5. Step 5: Solve for x
    x = 2,242,900,193.08/53,980.47
  6. Step 6: Final answer
    x = 41,550.22

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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.