Home / 34,911.81-48,177.90-18,995.99

Finding the Fourth Proportional to 34,911.81, 48,177.90 and 18,995.99

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Solution

The fourth proportional to 34,911.81, 48,177.90 and 18,995.99 is: 26,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,911.81 : 48,177.90 = 18,995.99 : x
  2. Step 2: Convert to fraction form
    34,911.81/48,177.90 = 18,995.99/x
  3. Step 3: Cross multiply
    34,911.81x = 48,177.90 × 18,995.99
  4. Step 4: Simplify right side
    34,911.81x = 915,186,691.20
  5. Step 5: Solve for x
    x = 915,186,691.20/34,911.81
  6. Step 6: Final answer
    x = 26,214.24

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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.