Home / 39,031.88-53,871.28-22,264.88

Finding the Fourth Proportional to 39,031.88, 53,871.28 and 22,264.88

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Solution

The fourth proportional to 39,031.88, 53,871.28 and 22,264.88 is: 30,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.88 : 53,871.28 = 22,264.88 : x
  2. Step 2: Convert to fraction form
    39,031.88/53,871.28 = 22,264.88/x
  3. Step 3: Cross multiply
    39,031.88x = 53,871.28 × 22,264.88
  4. Step 4: Simplify right side
    39,031.88x = 1,199,437,259.63
  5. Step 5: Solve for x
    x = 1,199,437,259.63/39,031.88
  6. Step 6: Final answer
    x = 30,729.69

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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.