Home / 30,177.43-45,339.95-28,498.90

Finding the Fourth Proportional to 30,177.43, 45,339.95 and 28,498.90

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Solution

The fourth proportional to 30,177.43, 45,339.95 and 28,498.90 is: 42,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.43 : 45,339.95 = 28,498.90 : x
  2. Step 2: Convert to fraction form
    30,177.43/45,339.95 = 28,498.90/x
  3. Step 3: Cross multiply
    30,177.43x = 45,339.95 × 28,498.90
  4. Step 4: Simplify right side
    30,177.43x = 1,292,138,558.56
  5. Step 5: Solve for x
    x = 1,292,138,558.56/30,177.43
  6. Step 6: Final answer
    x = 42,818.05

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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.