Home / 53,557.66-80,347.75-20,276.98

Finding the Fourth Proportional to 53,557.66, 80,347.75 and 20,276.98

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Solution

The fourth proportional to 53,557.66, 80,347.75 and 20,276.98 is: 30,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,557.66 : 80,347.75 = 20,276.98 : x
  2. Step 2: Convert to fraction form
    53,557.66/80,347.75 = 20,276.98/x
  3. Step 3: Cross multiply
    53,557.66x = 80,347.75 × 20,276.98
  4. Step 4: Simplify right side
    53,557.66x = 1,629,209,920.19
  5. Step 5: Solve for x
    x = 1,629,209,920.19/53,557.66
  6. Step 6: Final answer
    x = 30,419.74

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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.