Home / 65,629.60-98,444.40-30,572.80

Finding the Fourth Proportional to 65,629.60, 98,444.40 and 30,572.80

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Solution

The fourth proportional to 65,629.60, 98,444.40 and 30,572.80 is: 45,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,629.60 : 98,444.40 = 30,572.80 : x
  2. Step 2: Convert to fraction form
    65,629.60/98,444.40 = 30,572.80/x
  3. Step 3: Cross multiply
    65,629.60x = 98,444.40 × 30,572.80
  4. Step 4: Simplify right side
    65,629.60x = 3,009,720,952.32
  5. Step 5: Solve for x
    x = 3,009,720,952.32/65,629.60
  6. Step 6: Final answer
    x = 45,859.20

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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.