Home / 47,677.51-65,804.03-31,545.15

Finding the Fourth Proportional to 47,677.51, 65,804.03 and 31,545.15

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Solution

The fourth proportional to 47,677.51, 65,804.03 and 31,545.15 is: 43,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,677.51 : 65,804.03 = 31,545.15 : x
  2. Step 2: Convert to fraction form
    47,677.51/65,804.03 = 31,545.15/x
  3. Step 3: Cross multiply
    47,677.51x = 65,804.03 × 31,545.15
  4. Step 4: Simplify right side
    47,677.51x = 2,075,797,710.76
  5. Step 5: Solve for x
    x = 2,075,797,710.76/47,677.51
  6. Step 6: Final answer
    x = 43,538.30

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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.