Home / 38,312.99-52,867.31-21,312.93

Finding the Fourth Proportional to 38,312.99, 52,867.31 and 21,312.93

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Solution

The fourth proportional to 38,312.99, 52,867.31 and 21,312.93 is: 29,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.99 : 52,867.31 = 21,312.93 : x
  2. Step 2: Convert to fraction form
    38,312.99/52,867.31 = 21,312.93/x
  3. Step 3: Cross multiply
    38,312.99x = 52,867.31 × 21,312.93
  4. Step 4: Simplify right side
    38,312.99x = 1,126,757,170.75
  5. Step 5: Solve for x
    x = 1,126,757,170.75/38,312.99
  6. Step 6: Final answer
    x = 29,409.28

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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.