Home / 65,312.24-97,953.60-31,998.80

Finding the Fourth Proportional to 65,312.24, 97,953.60 and 31,998.80

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Solution

The fourth proportional to 65,312.24, 97,953.60 and 31,998.80 is: 47,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,312.24 : 97,953.60 = 31,998.80 : x
  2. Step 2: Convert to fraction form
    65,312.24/97,953.60 = 31,998.80/x
  3. Step 3: Cross multiply
    65,312.24x = 97,953.60 × 31,998.80
  4. Step 4: Simplify right side
    65,312.24x = 3,134,397,655.68
  5. Step 5: Solve for x
    x = 3,134,397,655.68/65,312.24
  6. Step 6: Final answer
    x = 47,990.97

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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.