Home / 43,031.62-59,359.66-39,987.15

Finding the Fourth Proportional to 43,031.62, 59,359.66 and 39,987.15

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Solution

The fourth proportional to 43,031.62, 59,359.66 and 39,987.15 is: 55,159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,031.62 : 59,359.66 = 39,987.15 : x
  2. Step 2: Convert to fraction form
    43,031.62/59,359.66 = 39,987.15/x
  3. Step 3: Cross multiply
    43,031.62x = 59,359.66 × 39,987.15
  4. Step 4: Simplify right side
    43,031.62x = 2,373,623,628.37
  5. Step 5: Solve for x
    x = 2,373,623,628.37/43,031.62
  6. Step 6: Final answer
    x = 55,159.99

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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.