Home / 47,288.24-70,931.64-12,227.60

Finding the Fourth Proportional to 47,288.24, 70,931.64 and 12,227.60

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Solution

The fourth proportional to 47,288.24, 70,931.64 and 12,227.60 is: 18,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,288.24 : 70,931.64 = 12,227.60 : x
  2. Step 2: Convert to fraction form
    47,288.24/70,931.64 = 12,227.60/x
  3. Step 3: Cross multiply
    47,288.24x = 70,931.64 × 12,227.60
  4. Step 4: Simplify right side
    47,288.24x = 867,323,721.26
  5. Step 5: Solve for x
    x = 867,323,721.26/47,288.24
  6. Step 6: Final answer
    x = 18,341.21

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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.