Home / 35,158.30-48,541.12-31,374.98

Finding the Fourth Proportional to 35,158.30, 48,541.12 and 31,374.98

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Solution

The fourth proportional to 35,158.30, 48,541.12 and 31,374.98 is: 43,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,158.30 : 48,541.12 = 31,374.98 : x
  2. Step 2: Convert to fraction form
    35,158.30/48,541.12 = 31,374.98/x
  3. Step 3: Cross multiply
    35,158.30x = 48,541.12 × 31,374.98
  4. Step 4: Simplify right side
    35,158.30x = 1,522,976,669.18
  5. Step 5: Solve for x
    x = 1,522,976,669.18/35,158.30
  6. Step 6: Final answer
    x = 43,317.70

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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.