Home / 35,280.89-48,695.16-21,141.95

Finding the Fourth Proportional to 35,280.89, 48,695.16 and 21,141.95

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Solution

The fourth proportional to 35,280.89, 48,695.16 and 21,141.95 is: 29,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280.89 : 48,695.16 = 21,141.95 : x
  2. Step 2: Convert to fraction form
    35,280.89/48,695.16 = 21,141.95/x
  3. Step 3: Cross multiply
    35,280.89x = 48,695.16 × 21,141.95
  4. Step 4: Simplify right side
    35,280.89x = 1,029,510,637.96
  5. Step 5: Solve for x
    x = 1,029,510,637.96/35,280.89
  6. Step 6: Final answer
    x = 29,180.40

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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.