Home / 35,885.60-53,828.40-19,296.80

Finding the Fourth Proportional to 35,885.60, 53,828.40 and 19,296.80

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Solution

The fourth proportional to 35,885.60, 53,828.40 and 19,296.80 is: 28,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.60 : 53,828.40 = 19,296.80 : x
  2. Step 2: Convert to fraction form
    35,885.60/53,828.40 = 19,296.80/x
  3. Step 3: Cross multiply
    35,885.60x = 53,828.40 × 19,296.80
  4. Step 4: Simplify right side
    35,885.60x = 1,038,715,869.12
  5. Step 5: Solve for x
    x = 1,038,715,869.12/35,885.60
  6. Step 6: Final answer
    x = 28,945.20

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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.