Home / 43,693.38-65,501.19-20,307.06

Finding the Fourth Proportional to 43,693.38, 65,501.19 and 20,307.06

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Solution

The fourth proportional to 43,693.38, 65,501.19 and 20,307.06 is: 30,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,693.38 : 65,501.19 = 20,307.06 : x
  2. Step 2: Convert to fraction form
    43,693.38/65,501.19 = 20,307.06/x
  3. Step 3: Cross multiply
    43,693.38x = 65,501.19 × 20,307.06
  4. Step 4: Simplify right side
    43,693.38x = 1,330,136,595.40
  5. Step 5: Solve for x
    x = 1,330,136,595.40/43,693.38
  6. Step 6: Final answer
    x = 30,442.52

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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.