Home / 30,271.71-45,435.63-15,289.35

Finding the Fourth Proportional to 30,271.71, 45,435.63 and 15,289.35

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Solution

The fourth proportional to 30,271.71, 45,435.63 and 15,289.35 is: 22,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271.71 : 45,435.63 = 15,289.35 : x
  2. Step 2: Convert to fraction form
    30,271.71/45,435.63 = 15,289.35/x
  3. Step 3: Cross multiply
    30,271.71x = 45,435.63 × 15,289.35
  4. Step 4: Simplify right side
    30,271.71x = 694,681,305.66
  5. Step 5: Solve for x
    x = 694,681,305.66/30,271.71
  6. Step 6: Final answer
    x = 22,948.20

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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.