Home / 75,483.60-113,225.40-38,029.20

Finding the Fourth Proportional to 75,483.60, 113,225.40 and 38,029.20

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Solution

The fourth proportional to 75,483.60, 113,225.40 and 38,029.20 is: 57,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,483.60 : 113,225.40 = 38,029.20 : x
  2. Step 2: Convert to fraction form
    75,483.60/113,225.40 = 38,029.20/x
  3. Step 3: Cross multiply
    75,483.60x = 113,225.40 × 38,029.20
  4. Step 4: Simplify right side
    75,483.60x = 4,305,871,381.68
  5. Step 5: Solve for x
    x = 4,305,871,381.68/75,483.60
  6. Step 6: Final answer
    x = 57,043.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.