Home / 43,157.06-64,730.98-11,570.29

Finding the Fourth Proportional to 43,157.06, 64,730.98 and 11,570.29

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Solution

The fourth proportional to 43,157.06, 64,730.98 and 11,570.29 is: 17,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.06 : 64,730.98 = 11,570.29 : x
  2. Step 2: Convert to fraction form
    43,157.06/64,730.98 = 11,570.29/x
  3. Step 3: Cross multiply
    43,157.06x = 64,730.98 × 11,570.29
  4. Step 4: Simplify right side
    43,157.06x = 748,956,019.83
  5. Step 5: Solve for x
    x = 748,956,019.83/43,157.06
  6. Step 6: Final answer
    x = 17,354.19

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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.