Home / 47,602.79-71,404.34-19,518.06

Finding the Fourth Proportional to 47,602.79, 71,404.34 and 19,518.06

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Solution

The fourth proportional to 47,602.79, 71,404.34 and 19,518.06 is: 29,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,602.79 : 71,404.34 = 19,518.06 : x
  2. Step 2: Convert to fraction form
    47,602.79/71,404.34 = 19,518.06/x
  3. Step 3: Cross multiply
    47,602.79x = 71,404.34 × 19,518.06
  4. Step 4: Simplify right side
    47,602.79x = 1,393,674,362.56
  5. Step 5: Solve for x
    x = 1,393,674,362.56/47,602.79
  6. Step 6: Final answer
    x = 29,277.16

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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.