Home / 38,720.88-58,030.29-15,334.56

Finding the Fourth Proportional to 38,720.88, 58,030.29 and 15,334.56

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Solution

The fourth proportional to 38,720.88, 58,030.29 and 15,334.56 is: 22,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720.88 : 58,030.29 = 15,334.56 : x
  2. Step 2: Convert to fraction form
    38,720.88/58,030.29 = 15,334.56/x
  3. Step 3: Cross multiply
    38,720.88x = 58,030.29 × 15,334.56
  4. Step 4: Simplify right side
    38,720.88x = 889,868,963.82
  5. Step 5: Solve for x
    x = 889,868,963.82/38,720.88
  6. Step 6: Final answer
    x = 22,981.63

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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.