Home / 43,354.51-65,030.29-18,378.49

Finding the Fourth Proportional to 43,354.51, 65,030.29 and 18,378.49

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Solution

The fourth proportional to 43,354.51, 65,030.29 and 18,378.49 is: 27,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.51 : 65,030.29 = 18,378.49 : x
  2. Step 2: Convert to fraction form
    43,354.51/65,030.29 = 18,378.49/x
  3. Step 3: Cross multiply
    43,354.51x = 65,030.29 × 18,378.49
  4. Step 4: Simplify right side
    43,354.51x = 1,195,158,534.46
  5. Step 5: Solve for x
    x = 1,195,158,534.46/43,354.51
  6. Step 6: Final answer
    x = 27,567.11

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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.