Home / 34,871.08-48,121.81-18,955.12

Finding the Fourth Proportional to 34,871.08, 48,121.81 and 18,955.12

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Solution

The fourth proportional to 34,871.08, 48,121.81 and 18,955.12 is: 26,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,871.08 : 48,121.81 = 18,955.12 : x
  2. Step 2: Convert to fraction form
    34,871.08/48,121.81 = 18,955.12/x
  3. Step 3: Cross multiply
    34,871.08x = 48,121.81 × 18,955.12
  4. Step 4: Simplify right side
    34,871.08x = 912,154,683.17
  5. Step 5: Solve for x
    x = 912,154,683.17/34,871.08
  6. Step 6: Final answer
    x = 26,157.91

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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.