Home / 53,478.83-73,808.51-30,813.48

Finding the Fourth Proportional to 53,478.83, 73,808.51 and 30,813.48

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Solution

The fourth proportional to 53,478.83, 73,808.51 and 30,813.48 is: 42,527.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.83 : 73,808.51 = 30,813.48 : x
  2. Step 2: Convert to fraction form
    53,478.83/73,808.51 = 30,813.48/x
  3. Step 3: Cross multiply
    53,478.83x = 73,808.51 × 30,813.48
  4. Step 4: Simplify right side
    53,478.83x = 2,274,296,892.65
  5. Step 5: Solve for x
    x = 2,274,296,892.65/53,478.83
  6. Step 6: Final answer
    x = 42,527.05

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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.