Home / 47,438.29-71,156.21-15,417.18

Finding the Fourth Proportional to 47,438.29, 71,156.21 and 15,417.18

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Solution

The fourth proportional to 47,438.29, 71,156.21 and 15,417.18 is: 23,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,438.29 : 71,156.21 = 15,417.18 : x
  2. Step 2: Convert to fraction form
    47,438.29/71,156.21 = 15,417.18/x
  3. Step 3: Cross multiply
    47,438.29x = 71,156.21 × 15,417.18
  4. Step 4: Simplify right side
    47,438.29x = 1,097,028,106.67
  5. Step 5: Solve for x
    x = 1,097,028,106.67/47,438.29
  6. Step 6: Final answer
    x = 23,125.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.