Home / 39,090.24-58,499.10-31,988.16

Finding the Fourth Proportional to 39,090.24, 58,499.10 and 31,988.16

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Solution

The fourth proportional to 39,090.24, 58,499.10 and 31,988.16 is: 47,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,090.24 : 58,499.10 = 31,988.16 : x
  2. Step 2: Convert to fraction form
    39,090.24/58,499.10 = 31,988.16/x
  3. Step 3: Cross multiply
    39,090.24x = 58,499.10 × 31,988.16
  4. Step 4: Simplify right side
    39,090.24x = 1,871,278,570.66
  5. Step 5: Solve for x
    x = 1,871,278,570.66/39,090.24
  6. Step 6: Final answer
    x = 47,870.74

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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.