Home / 65,727.60-98,591.40-40,686.45

Finding the Fourth Proportional to 65,727.60, 98,591.40 and 40,686.45

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Solution

The fourth proportional to 65,727.60, 98,591.40 and 40,686.45 is: 61,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.60 : 98,591.40 = 40,686.45 : x
  2. Step 2: Convert to fraction form
    65,727.60/98,591.40 = 40,686.45/x
  3. Step 3: Cross multiply
    65,727.60x = 98,591.40 × 40,686.45
  4. Step 4: Simplify right side
    65,727.60x = 4,011,334,066.53
  5. Step 5: Solve for x
    x = 4,011,334,066.53/65,727.60
  6. Step 6: Final answer
    x = 61,029.68

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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.