Home / 45,385.02-62,587.35-30,278.30

Finding the Fourth Proportional to 45,385.02, 62,587.35 and 30,278.30

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Solution

The fourth proportional to 45,385.02, 62,587.35 and 30,278.30 is: 41,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.02 : 62,587.35 = 30,278.30 : x
  2. Step 2: Convert to fraction form
    45,385.02/62,587.35 = 30,278.30/x
  3. Step 3: Cross multiply
    45,385.02x = 62,587.35 × 30,278.30
  4. Step 4: Simplify right side
    45,385.02x = 1,895,038,246.57
  5. Step 5: Solve for x
    x = 1,895,038,246.57/45,385.02
  6. Step 6: Final answer
    x = 41,754.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.