Home / 47,117.40-70,580.68-21,780.92

Finding the Fourth Proportional to 47,117.40, 70,580.68 and 21,780.92

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Solution

The fourth proportional to 47,117.40, 70,580.68 and 21,780.92 is: 32,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,117.40 : 70,580.68 = 21,780.92 : x
  2. Step 2: Convert to fraction form
    47,117.40/70,580.68 = 21,780.92/x
  3. Step 3: Cross multiply
    47,117.40x = 70,580.68 × 21,780.92
  4. Step 4: Simplify right side
    47,117.40x = 1,537,312,144.63
  5. Step 5: Solve for x
    x = 1,537,312,144.63/47,117.40
  6. Step 6: Final answer
    x = 32,627.27

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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.