Home / 53,347.12-80,030.42-18,290.32

Finding the Fourth Proportional to 53,347.12, 80,030.42 and 18,290.32

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Solution

The fourth proportional to 53,347.12, 80,030.42 and 18,290.32 is: 27,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.12 : 80,030.42 = 18,290.32 : x
  2. Step 2: Convert to fraction form
    53,347.12/80,030.42 = 18,290.32/x
  3. Step 3: Cross multiply
    53,347.12x = 80,030.42 × 18,290.32
  4. Step 4: Simplify right side
    53,347.12x = 1,463,781,991.53
  5. Step 5: Solve for x
    x = 1,463,781,991.53/53,347.12
  6. Step 6: Final answer
    x = 27,438.82

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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.