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Finding the Fourth Proportional to 65,040.80, 97,447.80 and 29,908.40

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Solution

The fourth proportional to 65,040.80, 97,447.80 and 29,908.40 is: 44,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,040.80 : 97,447.80 = 29,908.40 : x
  2. Step 2: Convert to fraction form
    65,040.80/97,447.80 = 29,908.40/x
  3. Step 3: Cross multiply
    65,040.80x = 97,447.80 × 29,908.40
  4. Step 4: Simplify right side
    65,040.80x = 2,914,507,781.52
  5. Step 5: Solve for x
    x = 2,914,507,781.52/65,040.80
  6. Step 6: Final answer
    x = 44,810.45

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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.