Home / 43,373.51-65,066.36-13,390.19

Finding the Fourth Proportional to 43,373.51, 65,066.36 and 13,390.19

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Solution

The fourth proportional to 43,373.51, 65,066.36 and 13,390.19 is: 20,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,373.51 : 65,066.36 = 13,390.19 : x
  2. Step 2: Convert to fraction form
    43,373.51/65,066.36 = 13,390.19/x
  3. Step 3: Cross multiply
    43,373.51x = 65,066.36 × 13,390.19
  4. Step 4: Simplify right side
    43,373.51x = 871,251,140.72
  5. Step 5: Solve for x
    x = 871,251,140.72/43,373.51
  6. Step 6: Final answer
    x = 20,087.17

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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.