Home / 32,430.10-48,645.15-18,567.70

Finding the Fourth Proportional to 32,430.10, 48,645.15 and 18,567.70

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Solution

The fourth proportional to 32,430.10, 48,645.15 and 18,567.70 is: 27,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.10 : 48,645.15 = 18,567.70 : x
  2. Step 2: Convert to fraction form
    32,430.10/48,645.15 = 18,567.70/x
  3. Step 3: Cross multiply
    32,430.10x = 48,645.15 × 18,567.70
  4. Step 4: Simplify right side
    32,430.10x = 903,228,551.66
  5. Step 5: Solve for x
    x = 903,228,551.66/32,430.10
  6. Step 6: Final answer
    x = 27,851.55

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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.