Home / 74,874.58-112,312.23-30,501.76

Finding the Fourth Proportional to 74,874.58, 112,312.23 and 30,501.76

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Solution

The fourth proportional to 74,874.58, 112,312.23 and 30,501.76 is: 45,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,874.58 : 112,312.23 = 30,501.76 : x
  2. Step 2: Convert to fraction form
    74,874.58/112,312.23 = 30,501.76/x
  3. Step 3: Cross multiply
    74,874.58x = 112,312.23 × 30,501.76
  4. Step 4: Simplify right side
    74,874.58x = 3,425,720,684.52
  5. Step 5: Solve for x
    x = 3,425,720,684.52/74,874.58
  6. Step 6: Final answer
    x = 45,752.79

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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.