Home / 34,631.04-47,790.84-18,715.46

Finding the Fourth Proportional to 34,631.04, 47,790.84 and 18,715.46

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Solution

The fourth proportional to 34,631.04, 47,790.84 and 18,715.46 is: 25,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,631.04 : 47,790.84 = 18,715.46 : x
  2. Step 2: Convert to fraction form
    34,631.04/47,790.84 = 18,715.46/x
  3. Step 3: Cross multiply
    34,631.04x = 47,790.84 × 18,715.46
  4. Step 4: Simplify right side
    34,631.04x = 894,427,554.39
  5. Step 5: Solve for x
    x = 894,427,554.39/34,631.04
  6. Step 6: Final answer
    x = 25,827.34

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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.