Home / 53,904.05-74,381.14-30,932.69

Finding the Fourth Proportional to 53,904.05, 74,381.14 and 30,932.69

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Solution

The fourth proportional to 53,904.05, 74,381.14 and 30,932.69 is: 42,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,904.05 : 74,381.14 = 30,932.69 : x
  2. Step 2: Convert to fraction form
    53,904.05/74,381.14 = 30,932.69/x
  3. Step 3: Cross multiply
    53,904.05x = 74,381.14 × 30,932.69
  4. Step 4: Simplify right side
    53,904.05x = 2,300,808,656.62
  5. Step 5: Solve for x
    x = 2,300,808,656.62/53,904.05
  6. Step 6: Final answer
    x = 42,683.41

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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.