Home / 30,488.02-45,740.24-15,688.87

Finding the Fourth Proportional to 30,488.02, 45,740.24 and 15,688.87

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Solution

The fourth proportional to 30,488.02, 45,740.24 and 15,688.87 is: 23,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,488.02 : 45,740.24 = 15,688.87 : x
  2. Step 2: Convert to fraction form
    30,488.02/45,740.24 = 15,688.87/x
  3. Step 3: Cross multiply
    30,488.02x = 45,740.24 × 15,688.87
  4. Step 4: Simplify right side
    30,488.02x = 717,612,371.98
  5. Step 5: Solve for x
    x = 717,612,371.98/30,488.02
  6. Step 6: Final answer
    x = 23,537.52

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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.