Home / 39,026.40-53,855.28-22,031.25

Finding the Fourth Proportional to 39,026.40, 53,855.28 and 22,031.25

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Solution

The fourth proportional to 39,026.40, 53,855.28 and 22,031.25 is: 30,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,026.40 : 53,855.28 = 22,031.25 : x
  2. Step 2: Convert to fraction form
    39,026.40/53,855.28 = 22,031.25/x
  3. Step 3: Cross multiply
    39,026.40x = 53,855.28 × 22,031.25
  4. Step 4: Simplify right side
    39,026.40x = 1,186,499,137.50
  5. Step 5: Solve for x
    x = 1,186,499,137.50/39,026.40
  6. Step 6: Final answer
    x = 30,402.47

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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.