Home / 30,488.18-45,620.01-18,437.36

Finding the Fourth Proportional to 30,488.18, 45,620.01 and 18,437.36

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Solution

The fourth proportional to 30,488.18, 45,620.01 and 18,437.36 is: 27,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.18 : 45,620.01 = 18,437.36 : x
  2. Step 2: Convert to fraction form
    30,488.18/45,620.01 = 18,437.36/x
  3. Step 3: Cross multiply
    30,488.18x = 45,620.01 × 18,437.36
  4. Step 4: Simplify right side
    30,488.18x = 841,112,319.47
  5. Step 5: Solve for x
    x = 841,112,319.47/30,488.18
  6. Step 6: Final answer
    x = 27,588.14

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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.