Home / 35,529.60-53,294.40-21,705.60

Finding the Fourth Proportional to 35,529.60, 53,294.40 and 21,705.60

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Solution

The fourth proportional to 35,529.60, 53,294.40 and 21,705.60 is: 32,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,529.60 : 53,294.40 = 21,705.60 : x
  2. Step 2: Convert to fraction form
    35,529.60/53,294.40 = 21,705.60/x
  3. Step 3: Cross multiply
    35,529.60x = 53,294.40 × 21,705.60
  4. Step 4: Simplify right side
    35,529.60x = 1,156,786,928.64
  5. Step 5: Solve for x
    x = 1,156,786,928.64/35,529.60
  6. Step 6: Final answer
    x = 32,558.40

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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.