Home / 39,151.24-58,746.30-19,429

Finding the Fourth Proportional to 39,151.24, 58,746.30 and 19,429

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Solution

The fourth proportional to 39,151.24, 58,746.30 and 19,429 is: 29,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.24 : 58,746.30 = 19,429 : x
  2. Step 2: Convert to fraction form
    39,151.24/58,746.30 = 19,429/x
  3. Step 3: Cross multiply
    39,151.24x = 58,746.30 × 19,429
  4. Step 4: Simplify right side
    39,151.24x = 1,141,381,862.70
  5. Step 5: Solve for x
    x = 1,141,381,862.70/39,151.24
  6. Step 6: Final answer
    x = 29,153.15

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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.