Home / 53,989.34-74,506.86-30,115.50

Finding the Fourth Proportional to 53,989.34, 74,506.86 and 30,115.50

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Solution

The fourth proportional to 53,989.34, 74,506.86 and 30,115.50 is: 41,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989.34 : 74,506.86 = 30,115.50 : x
  2. Step 2: Convert to fraction form
    53,989.34/74,506.86 = 30,115.50/x
  3. Step 3: Cross multiply
    53,989.34x = 74,506.86 × 30,115.50
  4. Step 4: Simplify right side
    53,989.34x = 2,243,811,062.93
  5. Step 5: Solve for x
    x = 2,243,811,062.93/53,989.34
  6. Step 6: Final answer
    x = 41,560.26

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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.