Home / 48,305.40-72,458.10-39,665.40

Finding the Fourth Proportional to 48,305.40, 72,458.10 and 39,665.40

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Solution

The fourth proportional to 48,305.40, 72,458.10 and 39,665.40 is: 59,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.40 : 72,458.10 = 39,665.40 : x
  2. Step 2: Convert to fraction form
    48,305.40/72,458.10 = 39,665.40/x
  3. Step 3: Cross multiply
    48,305.40x = 72,458.10 × 39,665.40
  4. Step 4: Simplify right side
    48,305.40x = 2,874,079,519.74
  5. Step 5: Solve for x
    x = 2,874,079,519.74/48,305.40
  6. Step 6: Final answer
    x = 59,498.10

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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.