Home / 43,641.09-65,461.65-12,476.34

Finding the Fourth Proportional to 43,641.09, 65,461.65 and 12,476.34

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Solution

The fourth proportional to 43,641.09, 65,461.65 and 12,476.34 is: 18,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,641.09 : 65,461.65 = 12,476.34 : x
  2. Step 2: Convert to fraction form
    43,641.09/65,461.65 = 12,476.34/x
  3. Step 3: Cross multiply
    43,641.09x = 65,461.65 × 12,476.34
  4. Step 4: Simplify right side
    43,641.09x = 816,721,802.36
  5. Step 5: Solve for x
    x = 816,721,802.36/43,641.09
  6. Step 6: Final answer
    x = 18,714.51

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1.5x scale

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.