Home / 38,405.47-57,281.48-37,740.87

Finding the Fourth Proportional to 38,405.47, 57,281.48 and 37,740.87

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Solution

The fourth proportional to 38,405.47, 57,281.48 and 37,740.87 is: 56,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,405.47 : 57,281.48 = 37,740.87 : x
  2. Step 2: Convert to fraction form
    38,405.47/57,281.48 = 37,740.87/x
  3. Step 3: Cross multiply
    38,405.47x = 57,281.48 × 37,740.87
  4. Step 4: Simplify right side
    38,405.47x = 2,161,852,890.09
  5. Step 5: Solve for x
    x = 2,161,852,890.09/38,405.47
  6. Step 6: Final answer
    x = 56,290.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.