Home / 53,215.78-73,432.16-29,341.04

Finding the Fourth Proportional to 53,215.78, 73,432.16 and 29,341.04

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Solution

The fourth proportional to 53,215.78, 73,432.16 and 29,341.04 is: 40,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.78 : 73,432.16 = 29,341.04 : x
  2. Step 2: Convert to fraction form
    53,215.78/73,432.16 = 29,341.04/x
  3. Step 3: Cross multiply
    53,215.78x = 73,432.16 × 29,341.04
  4. Step 4: Simplify right side
    53,215.78x = 2,154,575,943.85
  5. Step 5: Solve for x
    x = 2,154,575,943.85/53,215.78
  6. Step 6: Final answer
    x = 40,487.54

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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.