Home / 47,507.79-71,282.36-29,779.08

Finding the Fourth Proportional to 47,507.79, 71,282.36 and 29,779.08

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Solution

The fourth proportional to 47,507.79, 71,282.36 and 29,779.08 is: 44,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,507.79 : 71,282.36 = 29,779.08 : x
  2. Step 2: Convert to fraction form
    47,507.79/71,282.36 = 29,779.08/x
  3. Step 3: Cross multiply
    47,507.79x = 71,282.36 × 29,779.08
  4. Step 4: Simplify right side
    47,507.79x = 2,122,723,063.80
  5. Step 5: Solve for x
    x = 2,122,723,063.80/47,507.79
  6. Step 6: Final answer
    x = 44,681.58

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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.