Home / 38,347.40-52,909.08-22,435.76

Finding the Fourth Proportional to 38,347.40, 52,909.08 and 22,435.76

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Solution

The fourth proportional to 38,347.40, 52,909.08 and 22,435.76 is: 30,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.40 : 52,909.08 = 22,435.76 : x
  2. Step 2: Convert to fraction form
    38,347.40/52,909.08 = 22,435.76/x
  3. Step 3: Cross multiply
    38,347.40x = 52,909.08 × 22,435.76
  4. Step 4: Simplify right side
    38,347.40x = 1,187,055,420.70
  5. Step 5: Solve for x
    x = 1,187,055,420.70/38,347.40
  6. Step 6: Final answer
    x = 30,955.30

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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.