Home / 65,563.93-90,473.56-38,705.05

Finding the Fourth Proportional to 65,563.93, 90,473.56 and 38,705.05

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Solution

The fourth proportional to 65,563.93, 90,473.56 and 38,705.05 is: 53,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,563.93 : 90,473.56 = 38,705.05 : x
  2. Step 2: Convert to fraction form
    65,563.93/90,473.56 = 38,705.05/x
  3. Step 3: Cross multiply
    65,563.93x = 90,473.56 × 38,705.05
  4. Step 4: Simplify right side
    65,563.93x = 3,501,783,663.48
  5. Step 5: Solve for x
    x = 3,501,783,663.48/65,563.93
  6. Step 6: Final answer
    x = 53,410.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.