Home / 34,232.86-47,239.65-19,122.51

Finding the Fourth Proportional to 34,232.86, 47,239.65 and 19,122.51

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Solution

The fourth proportional to 34,232.86, 47,239.65 and 19,122.51 is: 26,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,232.86 : 47,239.65 = 19,122.51 : x
  2. Step 2: Convert to fraction form
    34,232.86/47,239.65 = 19,122.51/x
  3. Step 3: Cross multiply
    34,232.86x = 47,239.65 × 19,122.51
  4. Step 4: Simplify right side
    34,232.86x = 903,340,679.52
  5. Step 5: Solve for x
    x = 903,340,679.52/34,232.86
  6. Step 6: Final answer
    x = 26,388.12

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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.