Home / 47,220.15-70,822.03-17,638.24

Finding the Fourth Proportional to 47,220.15, 70,822.03 and 17,638.24

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Solution

The fourth proportional to 47,220.15, 70,822.03 and 17,638.24 is: 26,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220.15 : 70,822.03 = 17,638.24 : x
  2. Step 2: Convert to fraction form
    47,220.15/70,822.03 = 17,638.24/x
  3. Step 3: Cross multiply
    47,220.15x = 70,822.03 × 17,638.24
  4. Step 4: Simplify right side
    47,220.15x = 1,249,175,962.43
  5. Step 5: Solve for x
    x = 1,249,175,962.43/47,220.15
  6. Step 6: Final answer
    x = 26,454.30

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1.5x scale

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.