Home / 39,020.64-58,478.56-20,261.64

Finding the Fourth Proportional to 39,020.64, 58,478.56 and 20,261.64

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Solution

The fourth proportional to 39,020.64, 58,478.56 and 20,261.64 is: 30,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.64 : 58,478.56 = 20,261.64 : x
  2. Step 2: Convert to fraction form
    39,020.64/58,478.56 = 20,261.64/x
  3. Step 3: Cross multiply
    39,020.64x = 58,478.56 × 20,261.64
  4. Step 4: Simplify right side
    39,020.64x = 1,184,871,699.08
  5. Step 5: Solve for x
    x = 1,184,871,699.08/39,020.64
  6. Step 6: Final answer
    x = 30,365.26

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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.