Home / 34,475.04-47,560.56-21,720.48

Finding the Fourth Proportional to 34,475.04, 47,560.56 and 21,720.48

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Solution

The fourth proportional to 34,475.04, 47,560.56 and 21,720.48 is: 29,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.04 : 47,560.56 = 21,720.48 : x
  2. Step 2: Convert to fraction form
    34,475.04/47,560.56 = 21,720.48/x
  3. Step 3: Cross multiply
    34,475.04x = 47,560.56 × 21,720.48
  4. Step 4: Simplify right side
    34,475.04x = 1,033,038,192.27
  5. Step 5: Solve for x
    x = 1,033,038,192.27/34,475.04
  6. Step 6: Final answer
    x = 29,964.81

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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.