Home / 43,598.46-65,428.74-19,909.20

Finding the Fourth Proportional to 43,598.46, 65,428.74 and 19,909.20

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Solution

The fourth proportional to 43,598.46, 65,428.74 and 19,909.20 is: 29,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,598.46 : 65,428.74 = 19,909.20 : x
  2. Step 2: Convert to fraction form
    43,598.46/65,428.74 = 19,909.20/x
  3. Step 3: Cross multiply
    43,598.46x = 65,428.74 × 19,909.20
  4. Step 4: Simplify right side
    43,598.46x = 1,302,633,870.41
  5. Step 5: Solve for x
    x = 1,302,633,870.41/43,598.46
  6. Step 6: Final answer
    x = 29,877.98

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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.