Home / 35,876.32-53,790.18-12,490

Finding the Fourth Proportional to 35,876.32, 53,790.18 and 12,490

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Solution

The fourth proportional to 35,876.32, 53,790.18 and 12,490 is: 18,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876.32 : 53,790.18 = 12,490 : x
  2. Step 2: Convert to fraction form
    35,876.32/53,790.18 = 12,490/x
  3. Step 3: Cross multiply
    35,876.32x = 53,790.18 × 12,490
  4. Step 4: Simplify right side
    35,876.32x = 671,839,348.20
  5. Step 5: Solve for x
    x = 671,839,348.20/35,876.32
  6. Step 6: Final answer
    x = 18,726.54

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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.