Home / 43,421.55-65,142.57-34,570.35

Finding the Fourth Proportional to 43,421.55, 65,142.57 and 34,570.35

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Solution

The fourth proportional to 43,421.55, 65,142.57 and 34,570.35 is: 51,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,421.55 : 65,142.57 = 34,570.35 : x
  2. Step 2: Convert to fraction form
    43,421.55/65,142.57 = 34,570.35/x
  3. Step 3: Cross multiply
    43,421.55x = 65,142.57 × 34,570.35
  4. Step 4: Simplify right side
    43,421.55x = 2,252,001,444.80
  5. Step 5: Solve for x
    x = 2,252,001,444.80/43,421.55
  6. Step 6: Final answer
    x = 51,863.68

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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.