Home / 42,177.87-63,265.95-12,595.05

Finding the Fourth Proportional to 42,177.87, 63,265.95 and 12,595.05

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Solution

The fourth proportional to 42,177.87, 63,265.95 and 12,595.05 is: 18,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,177.87 : 63,265.95 = 12,595.05 : x
  2. Step 2: Convert to fraction form
    42,177.87/63,265.95 = 12,595.05/x
  3. Step 3: Cross multiply
    42,177.87x = 63,265.95 × 12,595.05
  4. Step 4: Simplify right side
    42,177.87x = 796,837,803.55
  5. Step 5: Solve for x
    x = 796,837,803.55/42,177.87
  6. Step 6: Final answer
    x = 18,892.32

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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.