Home / 47,509.20-71,436.60-46,472.40

Finding the Fourth Proportional to 47,509.20, 71,436.60 and 46,472.40

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Solution

The fourth proportional to 47,509.20, 71,436.60 and 46,472.40 is: 69,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509.20 : 71,436.60 = 46,472.40 : x
  2. Step 2: Convert to fraction form
    47,509.20/71,436.60 = 46,472.40/x
  3. Step 3: Cross multiply
    47,509.20x = 71,436.60 × 46,472.40
  4. Step 4: Simplify right side
    47,509.20x = 3,319,830,249.84
  5. Step 5: Solve for x
    x = 3,319,830,249.84/47,509.20
  6. Step 6: Final answer
    x = 69,877.63

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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.