Home / 35,861.60-53,792.40-19,272.80

Finding the Fourth Proportional to 35,861.60, 53,792.40 and 19,272.80

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Solution

The fourth proportional to 35,861.60, 53,792.40 and 19,272.80 is: 28,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.60 : 53,792.40 = 19,272.80 : x
  2. Step 2: Convert to fraction form
    35,861.60/53,792.40 = 19,272.80/x
  3. Step 3: Cross multiply
    35,861.60x = 53,792.40 × 19,272.80
  4. Step 4: Simplify right side
    35,861.60x = 1,036,730,166.72
  5. Step 5: Solve for x
    x = 1,036,730,166.72/35,861.60
  6. Step 6: Final answer
    x = 28,909.20

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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.