Home / 65,749.20-90,711.73-37,434.84

Finding the Fourth Proportional to 65,749.20, 90,711.73 and 37,434.84

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Solution

The fourth proportional to 65,749.20, 90,711.73 and 37,434.84 is: 51,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,749.20 : 90,711.73 = 37,434.84 : x
  2. Step 2: Convert to fraction form
    65,749.20/90,711.73 = 37,434.84/x
  3. Step 3: Cross multiply
    65,749.20x = 90,711.73 × 37,434.84
  4. Step 4: Simplify right side
    65,749.20x = 3,395,779,098.67
  5. Step 5: Solve for x
    x = 3,395,779,098.67/65,749.20
  6. Step 6: Final answer
    x = 51,647.46

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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.