Home / 40,746.15-61,131.96-12,284.19

Finding the Fourth Proportional to 40,746.15, 61,131.96 and 12,284.19

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Solution

The fourth proportional to 40,746.15, 61,131.96 and 12,284.19 is: 18,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,746.15 : 61,131.96 = 12,284.19 : x
  2. Step 2: Convert to fraction form
    40,746.15/61,131.96 = 12,284.19/x
  3. Step 3: Cross multiply
    40,746.15x = 61,131.96 × 12,284.19
  4. Step 4: Simplify right side
    40,746.15x = 750,956,611.71
  5. Step 5: Solve for x
    x = 750,956,611.71/40,746.15
  6. Step 6: Final answer
    x = 18,430.12

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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.