Home / 48,317.62-72,478.70-39,868.45

Finding the Fourth Proportional to 48,317.62, 72,478.70 and 39,868.45

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Solution

The fourth proportional to 48,317.62, 72,478.70 and 39,868.45 is: 59,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,317.62 : 72,478.70 = 39,868.45 : x
  2. Step 2: Convert to fraction form
    48,317.62/72,478.70 = 39,868.45/x
  3. Step 3: Cross multiply
    48,317.62x = 72,478.70 × 39,868.45
  4. Step 4: Simplify right side
    48,317.62x = 2,889,613,345.49
  5. Step 5: Solve for x
    x = 2,889,613,345.49/48,317.62
  6. Step 6: Final answer
    x = 59,804.55

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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.