Home / 47,250.24-70,852.32-20,618.76

Finding the Fourth Proportional to 47,250.24, 70,852.32 and 20,618.76

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Solution

The fourth proportional to 47,250.24, 70,852.32 and 20,618.76 is: 30,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.24 : 70,852.32 = 20,618.76 : x
  2. Step 2: Convert to fraction form
    47,250.24/70,852.32 = 20,618.76/x
  3. Step 3: Cross multiply
    47,250.24x = 70,852.32 × 20,618.76
  4. Step 4: Simplify right side
    47,250.24x = 1,460,886,981.52
  5. Step 5: Solve for x
    x = 1,460,886,981.52/47,250.24
  6. Step 6: Final answer
    x = 30,918.09

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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.