Home / 40,019.15-55,271.00-31,052.93

Finding the Fourth Proportional to 40,019.15, 55,271.00 and 31,052.93

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Solution

The fourth proportional to 40,019.15, 55,271.00 and 31,052.93 is: 42,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.15 : 55,271.00 = 31,052.93 : x
  2. Step 2: Convert to fraction form
    40,019.15/55,271.00 = 31,052.93/x
  3. Step 3: Cross multiply
    40,019.15x = 55,271.00 × 31,052.93
  4. Step 4: Simplify right side
    40,019.15x = 1,716,326,062.41
  5. Step 5: Solve for x
    x = 1,716,326,062.41/40,019.15
  6. Step 6: Final answer
    x = 42,887.62

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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.