Home / 47,307.45-70,961.16-19,242.76

Finding the Fourth Proportional to 47,307.45, 70,961.16 and 19,242.76

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Solution

The fourth proportional to 47,307.45, 70,961.16 and 19,242.76 is: 28,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,307.45 : 70,961.16 = 19,242.76 : x
  2. Step 2: Convert to fraction form
    47,307.45/70,961.16 = 19,242.76/x
  3. Step 3: Cross multiply
    47,307.45x = 70,961.16 × 19,242.76
  4. Step 4: Simplify right side
    47,307.45x = 1,365,488,571.20
  5. Step 5: Solve for x
    x = 1,365,488,571.20/47,307.45
  6. Step 6: Final answer
    x = 28,864.13

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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.