Home / 53,715.34-80,570.58-18,657.73

Finding the Fourth Proportional to 53,715.34, 80,570.58 and 18,657.73

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Solution

The fourth proportional to 53,715.34, 80,570.58 and 18,657.73 is: 27,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,715.34 : 80,570.58 = 18,657.73 : x
  2. Step 2: Convert to fraction form
    53,715.34/80,570.58 = 18,657.73/x
  3. Step 3: Cross multiply
    53,715.34x = 80,570.58 × 18,657.73
  4. Step 4: Simplify right side
    53,715.34x = 1,503,264,127.58
  5. Step 5: Solve for x
    x = 1,503,264,127.58/53,715.34
  6. Step 6: Final answer
    x = 27,985.75

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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.