Home / 47,078.84-70,638.78-17,490.08

Finding the Fourth Proportional to 47,078.84, 70,638.78 and 17,490.08

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Solution

The fourth proportional to 47,078.84, 70,638.78 and 17,490.08 is: 26,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.84 : 70,638.78 = 17,490.08 : x
  2. Step 2: Convert to fraction form
    47,078.84/70,638.78 = 17,490.08/x
  3. Step 3: Cross multiply
    47,078.84x = 70,638.78 × 17,490.08
  4. Step 4: Simplify right side
    47,078.84x = 1,235,477,913.30
  5. Step 5: Solve for x
    x = 1,235,477,913.30/47,078.84
  6. Step 6: Final answer
    x = 26,242.74

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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.