Home / 51,191.88-70,646.24-29,972.04

Finding the Fourth Proportional to 51,191.88, 70,646.24 and 29,972.04

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Solution

The fourth proportional to 51,191.88, 70,646.24 and 29,972.04 is: 41,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,191.88 : 70,646.24 = 29,972.04 : x
  2. Step 2: Convert to fraction form
    51,191.88/70,646.24 = 29,972.04/x
  3. Step 3: Cross multiply
    51,191.88x = 70,646.24 × 29,972.04
  4. Step 4: Simplify right side
    51,191.88x = 2,117,411,931.13
  5. Step 5: Solve for x
    x = 2,117,411,931.13/51,191.88
  6. Step 6: Final answer
    x = 41,362.26

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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.