Home / 65,045.40-89,762.20-36,751.04

Finding the Fourth Proportional to 65,045.40, 89,762.20 and 36,751.04

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Solution

The fourth proportional to 65,045.40, 89,762.20 and 36,751.04 is: 50,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,045.40 : 89,762.20 = 36,751.04 : x
  2. Step 2: Convert to fraction form
    65,045.40/89,762.20 = 36,751.04/x
  3. Step 3: Cross multiply
    65,045.40x = 89,762.20 × 36,751.04
  4. Step 4: Simplify right side
    65,045.40x = 3,298,854,202.69
  5. Step 5: Solve for x
    x = 3,298,854,202.69/65,045.40
  6. Step 6: Final answer
    x = 50,716.18

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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.