Home / 40,180.08-60,274.98-19,389

Finding the Fourth Proportional to 40,180.08, 60,274.98 and 19,389

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Solution

The fourth proportional to 40,180.08, 60,274.98 and 19,389 is: 29,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180.08 : 60,274.98 = 19,389 : x
  2. Step 2: Convert to fraction form
    40,180.08/60,274.98 = 19,389/x
  3. Step 3: Cross multiply
    40,180.08x = 60,274.98 × 19,389
  4. Step 4: Simplify right side
    40,180.08x = 1,168,671,587.22
  5. Step 5: Solve for x
    x = 1,168,671,587.22/40,180.08
  6. Step 6: Final answer
    x = 29,085.85

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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.