Home / 35,657.10-53,485.65-21,660.30

Finding the Fourth Proportional to 35,657.10, 53,485.65 and 21,660.30

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Solution

The fourth proportional to 35,657.10, 53,485.65 and 21,660.30 is: 32,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,657.10 : 53,485.65 = 21,660.30 : x
  2. Step 2: Convert to fraction form
    35,657.10/53,485.65 = 21,660.30/x
  3. Step 3: Cross multiply
    35,657.10x = 53,485.65 × 21,660.30
  4. Step 4: Simplify right side
    35,657.10x = 1,158,515,224.70
  5. Step 5: Solve for x
    x = 1,158,515,224.70/35,657.10
  6. Step 6: Final answer
    x = 32,490.45

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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.