Home / 32,814.09-45,283.05-18,666.90

Finding the Fourth Proportional to 32,814.09, 45,283.05 and 18,666.90

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Solution

The fourth proportional to 32,814.09, 45,283.05 and 18,666.90 is: 25,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,814.09 : 45,283.05 = 18,666.90 : x
  2. Step 2: Convert to fraction form
    32,814.09/45,283.05 = 18,666.90/x
  3. Step 3: Cross multiply
    32,814.09x = 45,283.05 × 18,666.90
  4. Step 4: Simplify right side
    32,814.09x = 845,294,166.05
  5. Step 5: Solve for x
    x = 845,294,166.05/32,814.09
  6. Step 6: Final answer
    x = 25,760.10

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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.