Home / 47,178.48-70,772.18-15,588.75

Finding the Fourth Proportional to 47,178.48, 70,772.18 and 15,588.75

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Solution

The fourth proportional to 47,178.48, 70,772.18 and 15,588.75 is: 23,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,178.48 : 70,772.18 = 15,588.75 : x
  2. Step 2: Convert to fraction form
    47,178.48/70,772.18 = 15,588.75/x
  3. Step 3: Cross multiply
    47,178.48x = 70,772.18 × 15,588.75
  4. Step 4: Simplify right side
    47,178.48x = 1,103,249,743.03
  5. Step 5: Solve for x
    x = 1,103,249,743.03/47,178.48
  6. Step 6: Final answer
    x = 23,384.60

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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.