Home / 32,842.70-45,325.23-18,307.81

Finding the Fourth Proportional to 32,842.70, 45,325.23 and 18,307.81

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Solution

The fourth proportional to 32,842.70, 45,325.23 and 18,307.81 is: 25,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,842.70 : 45,325.23 = 18,307.81 : x
  2. Step 2: Convert to fraction form
    32,842.70/45,325.23 = 18,307.81/x
  3. Step 3: Cross multiply
    32,842.70x = 45,325.23 × 18,307.81
  4. Step 4: Simplify right side
    32,842.70x = 829,805,699.05
  5. Step 5: Solve for x
    x = 829,805,699.05/32,842.70
  6. Step 6: Final answer
    x = 25,266.06

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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.