Home / 71,031.02-98,018.66-39,199.83

Finding the Fourth Proportional to 71,031.02, 98,018.66 and 39,199.83

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Solution

The fourth proportional to 71,031.02, 98,018.66 and 39,199.83 is: 54,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,031.02 : 98,018.66 = 39,199.83 : x
  2. Step 2: Convert to fraction form
    71,031.02/98,018.66 = 39,199.83/x
  3. Step 3: Cross multiply
    71,031.02x = 98,018.66 × 39,199.83
  4. Step 4: Simplify right side
    71,031.02x = 3,842,314,612.83
  5. Step 5: Solve for x
    x = 3,842,314,612.83/71,031.02
  6. Step 6: Final answer
    x = 54,093.48

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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.