Home / 53,989.68-74,507.34-30,115.84

Finding the Fourth Proportional to 53,989.68, 74,507.34 and 30,115.84

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Solution

The fourth proportional to 53,989.68, 74,507.34 and 30,115.84 is: 41,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989.68 : 74,507.34 = 30,115.84 : x
  2. Step 2: Convert to fraction form
    53,989.68/74,507.34 = 30,115.84/x
  3. Step 3: Cross multiply
    53,989.68x = 74,507.34 × 30,115.84
  4. Step 4: Simplify right side
    53,989.68x = 2,243,851,130.27
  5. Step 5: Solve for x
    x = 2,243,851,130.27/53,989.68
  6. Step 6: Final answer
    x = 41,560.74

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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.