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Finding the Fourth Proportional to 65,060.55, 97,627.74 and 30,000.21

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Solution

The fourth proportional to 65,060.55, 97,627.74 and 30,000.21 is: 45,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,060.55 : 97,627.74 = 30,000.21 : x
  2. Step 2: Convert to fraction form
    65,060.55/97,627.74 = 30,000.21/x
  3. Step 3: Cross multiply
    65,060.55x = 97,627.74 × 30,000.21
  4. Step 4: Simplify right side
    65,060.55x = 2,928,852,701.83
  5. Step 5: Solve for x
    x = 2,928,852,701.83/65,060.55
  6. Step 6: Final answer
    x = 45,017.34

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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.